Top Definition
Somebody who is cranky, irritable, and angry. Often used when one is not on their period but acts like it.
Girl: Fuck you! You're a douche-canoe!
Guy: Its ok, I'll let that slide because of your period.
Girl: I'm not on my period, you jackass!
Guy: Oh, then your just a potato anus!
by Potato_In_My_Anus June 03, 2012
when your anus is so stretched from extreme awesome butt sex it can perfectly fit a potato or other object that size.
Oh my god Ally has a potato anus! It's so gross!
by MrWolf5000 March 31, 2012

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