get one’s tail in gear
get (one's) tail in gear
rude slang To start being active or prepare to do something, particularly when one is inactive. I know you said you would take out the trash, but get your tail in gear and do it already! I really need to get my tail in gear and finish writing this paper—it's due tomorrow!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
get one’s tail in gearverb
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.