get off (one's) backside(redirected from get off their backsides)
get off (one's) backside
slang To start being productive, especially after one has been inactive (and perhaps literally sitting). This phrase is often used as an imperative. Get off your backside and help me with this! If you don't get off your backside now, you'll be up all night finishing your paper.
Get off my back!
Inf. Stop harassing me!; Leave me alone about this matter! Tom: You'd better get your paper written. Bill: I'll do it when I'm good and ready. Get off my back! Alice: I'm tired of your constant criticism! Get off my back! Jane: I was just trying to help.
Get off my back!verb
See Get off my ass!