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give (full) vent to (something)

To passionately express one's negative emotion, such as anger, frustration, etc. Once we left the office, Sally gave vent to her anger about how promotions are unfairly awarded in our department. I work in customer service, so I'm used to people giving full vent to their frustration.
See also: give, to, vent

need to vent (to someone)

To have a need to vocalize one's negative thoughts, emotions, or reactions (to someone else, especially someone impartial). Sorry for venting to you like that, I've just been under a lot of pressure lately. Thanks for listening—I guess I just needed to vent about work for a few minutes.
See also: need, to, vent

vent (one's) spleen

To voice one's anger. Mom's been venting her spleen to me for an hour already. Apparently, Aunt Marie has wronged her yet again.
See also: spleen, vent

vent on (someone or something)

To subject someone or something else, especially an innocent party, to one's negative emotions or reaction. A noun or pronoun can be used between "vent" and "on" to specify the negative emotion. Sorry for venting on you like that, I've just been under a lot of pressure lately. Don't vent your frustration on the kids, Dave—they didn't do anything!
See also: on, vent
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

give vent to something

Fig. to express anger. (The something is usually anger, ire, irritation, etc.) John gave vent to his anger by yelling at Sally. Bill couldn't give vent to his frustration because he had been warned to keep quiet.
See also: give, to, vent

vent one's spleen

Fig. to get rid of one's feelings of anger caused by someone or something by attacking someone or something else. Jack vented his spleen at his wife whenever things went badly at work. Peter vented his spleen on his car by kicking it when it broke down.
See also: spleen, vent

vent something (up)on someone or something

to release one's emotional tension on someone or something. (Upon is formal and less commonly used than on.) Henry vented his anger on Carl. It's no use to vent your hatred on a door. Kicking it won't help.
See also: on, vent
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

give vent to

Express an emotion, as in He didn't dare give vent to his annoyance in front of her parents. [Late 1500s]
See also: give, to, vent

vent one's spleen

Express one's anger, as in Some people see town council meetings as a place where they can vent their spleen. This expression uses vent in the sense of "air," and spleen in the sense of "anger," alluding to the fact that this organ was once thought to be the seat of ill humor and melancholy. [First half of 1600s]
See also: spleen, vent
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

vent your spleen

If you vent your spleen, you express your anger about something. He took up the attack, venting his spleen against the government for a full hour.
See also: spleen, vent
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

give vent to

express or release (a strong emotion, energy, etc.).
See also: give, to, vent

vent your spleen

give free expression to your anger or displeasure.
2003 Guardian Woodgate 's clumsy challenge on the striker was not contested, though the visitors wasted little time in venting spleen at both the culpable Danish midfielder and, erroneously, the young pretender.
See also: spleen, vent
Farlex Partner Idioms Dictionary © Farlex 2017

give (full) ˈvent to something

(informal) express a strong negative feeling freely and forcefully: I tried to stop myself giving full vent to my anger.
See also: give, something, to, vent

vent your ˈspleen

(literary) express your anger in speech or writing: He vented his spleen on the assembled crowd.In the past, people believed that the spleen (= a small organ near the stomach that controls the quality of the blood cells) was responsible for making someone feel sad or bad-tempered. From this, it came to mean a person’s anger.
See also: spleen, vent
Farlex Partner Idioms Dictionary © Farlex 2017

vent on

To release some strong emotion by taking action against someone or something: The frustrated travelers vented their anger on the employees of the airline.
See also: on, vent
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

vent one’s spleen

tv. to release one’s anger. I just feel like I have to vent my spleen at somebody.
See also: spleen, vent
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
There is yet another rule of thumb: "Always vent at the end of fill." That's a good general rule, but don't take it literally.
Nor should they be vented through high gable vents, ridge vents, vented soffits or through the roof.
My colleagues and I worked as fast as we could in clockwork fashion to get the vent fluids out of the samplers and into appropriate bottles and then process and store them away either in the refrigerator or freezer.
The porosity of the vents is set to 0 before explosion overpressure is less than the given vent activation pressure, while it would be switched to 0.7 when the vents are broken.
One of the units was provided with 64 curved vents on the roof, and the other had 64 curved vents and 16 static exhaust vents Cycloar[R], all evenly distributed in the upper part of the storage unit (Figure 1).
Using a new kind of sensor, Baker and colleagues scanned for short-lived chemicals that all vents expel, such as unoxidized iron and sulfur.
First we need to understand what exactly is being vented. There is the compressed air itself being pushed forward by the melt stream.
The vents are about 6 feet from the ground and located about 1 foot apart.
Every drain needs a trap (see note below), and every trap needs a vent. The maximum distance between the trap and vent depends on the diameter of the pipe.
11 (BNA) - The ocean's deepest volcanic vents, kilometres below the surface, are teeming with life forms never before seen that thrive near super-hot underwater geysers, according to a new study.
As the moisture comes out of the lumber, it tends to increase the wet bulb temperature (EMC, RH) inside the kiln, causing the vents to open.
Revolution Rolled Ridge Vent, from COR-A-VENT[R] Inc., is a shingle-over vent that is 11-inches wide by 20-feet long.
Most residential natural gas regulators employ a standard internal relief valve, allowing regulators to vent to atmosphere in an over-pressure situation.