Shit On My Ass 

Shit On My Ass (etymology: Mod. English; portmaneau of the phrases "shit" and "ass," with "on my" forming the liaison) is a vulgar phrase expressing an utter discontent in an occurence, (e.g. where the conjuction "Shit!" would be used). Offshoots may include: shit on my dick, shite on my arse, holy shit on my ass, and the extremely long "piece of shit motherfucker on my ass."

Teacher: You failed the test, Stan.

Stan: Shit on my ass!

Brittany: I'm cheating on you, Stan.

Stan: You piece of shit motherfucker on my ass!

Shit On My Ass by ceaseanddesistsir April 9, 2010

shit on my ass 

problem with someone or something that needs to be taken care of or gotten rid of, better if done earlier than later before it spreads everywhere

Wife: I just spent $300 on knick knacks!
Husband: (mutters to himself) fucking bitch is shit on my ass

shit on my ass by R Morris August 31, 2006

Shit on my ass 

An act or action that causes you to feel the way you would at that moment to have shit on your ass.

"Shit on my ass" This job sucks
Oh "Shit on my ass" this is fucking retarded

Shit on my ass by Jim Von Hagen June 9, 2008

Ass on my shit 

Completely fucked up and bad. Nothing good can possibly come of this.

Dude, I totally fucked my girlfriend's sister. It was totally ass on my shit.

Ass on my shit by Sevendusterino March 9, 2009