a grip on

a grip on (oneself)

Control of one's reactions or emotions. After losing her job, Sarah needed to calm down and get a grip on herself in order to drive home safely. You're not going to be able to think clearly until you get a grip on yourself. Hey, hey, get a grip on yourself! Panicking is not going to make driving home in this snowstorm any easier.
See also: grip, on

grip on (something)

1. A good physical hold on something. In order to remove the bolt, I needed to get a grip on the wrench.
2. A firm or clear understanding of something. The teacher spent extra time going over the material in class because she wanted her students to have a good grip on the subject matter before they took the exam. I feel like I'm losing my grip on my sanity.
3. Dominance or control over something. The company has lost its grip on the smartphone market in recent years. The dictator has maintained a tight grip on the small country for nearly three decades.
See also: grip, on
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

*a grip on something

 
1. and *a hold on something Lit. a good grasp on something. (*Typically: get ~ have ~ give someone ~.) Try to get a grip on the ropes and pull yourself up. You should get a hold on the knob and turn it firmly.
2. Fig. a thorough knowledge of some topic. (*Typically: get ~ have ~ give someone ~.) I need to have a grip on the basics of accounting. Try to get a hold on all the facts first.
See also: grip, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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