get off (one's) butt(redirected from get off her butt)
get off (one's) butt
slang To start doing something, especially after a period of unproductivity or laziness. Grandma will be here in 30 minutes, so get off your butt and move this junk out of the living room! Ted needs to get off his butt for a change and make an effort around here.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.