give it the gun

give it/her the gun

To accelerate or rev an engine. The burglar leapt into the getaway car and yelled, "Give it the gun, the cops are coming!"
See also: give, gun
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

Give it the gun.

 and Give her the gun.
Fig. to make a motor or engine run faster; to rev up an engine. (The her is often pronounced "er.") Bill: How fast will this thing go? Bob: I'll give it the gun and see. Hurry up, driver. Give 'er the gun. I've got to get there immediately.
See also: give, gun
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

give it the gun

accelerate powerfully in a car. informal
See also: give, gun
Farlex Partner Idioms Dictionary © Farlex 2017

give it the gun

tv. to gun an engine; to rev an engine up. I gave it the gun, and it backfired.
See also: give, gun
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also: