A pain in the stomach from an immense need to shit. Often used as an excuse to get out of doing things, in a way it's almost like the male version of period pain.
"Hey, dudes, I have to go. I have a mad shit ache."
"Fuck that dude, you are such a piker"
"I'm serious dude, I'm about to shit all over the place"
"Fuck that dude, you are such a piker"
"I'm serious dude, I'm about to shit all over the place"
by Blaine Ray November 16, 2007
what people say when they're too dumb to know that its pronounced SHITAHKEY
jesus christ you people are stupid
jesus christ you people are stupid
leigh says: THIS RECIPE NEEDS SOME SHIT ACHE MUSHROOMS. DO WE HAVE ANY OF THOSE!?!?!
adrienne: no dumbass.
carley: HAHAHAH what?
adrienne: no dumbass.
carley: HAHAHAH what?
by Ladrey January 15, 2006