noun. The residual pain after anal sex. Usually occurs one to three days after the sexual experience. Most often occurs to those new to anal.
Oh god, my boyfriend and I tried anal for the first time yesterday.. It's sure giving me a terrible Butt Grudge.
by Zulas August 3, 2011
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The act of performing Grudge sex with the inclusion of anal sex.

The term was made famous during an episode of the radio show The Russ Martin Show.
Guy 1: My ex wanted to hook up so I grudge fucked her and put it in her butt.

Guy 2: Nothing like some good old grudge butt.
by CodyKodak June 24, 2017
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When you've been spurned by a chick, but then she wants to randomly hook back up with you. And you have no intention of getting back together with her, so you get her in the 5-hole because you never got to shank her in the stank while you were dating.
Russ got some grudge butt because Russ holds grudges forever.
by Elk Snot1 June 22, 2017
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She came back I to town and we never did it in the butt and I have her grudge butt and never called her again!
by Rms definition of grudge butt December 5, 2017
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