verb: to pelch means to take back a turn you made in a game after your turn has ended (especially after other players have also ended their turns)
Player 3: ...and I will move my piece here and take a victory point.
Pelcher: That's not fair! I didn't know you could do that. In that case I would have moved here instead.
Player 2: Hey, no pelching! You finished your turn and two others have played since then.
by Passive-Stakeholder July 8, 2017
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to take back a move in a game, usually to the annoyance or disapproval of fellow players
Andy: Can I pelch that?

Sally: No! Two people have had turns since yours.

Andy: That's not fair. I want to do something different.

Sally: Don't be a sore loser.
by Dairyllama August 31, 2015
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Sweat, or sweat marks visible on clothing.
I can't believe the humidity! I've got arse pelch up the ying-yang
by drew christx June 7, 2005
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Pelching (or to pelch) is an unfortunate side affect of people who have failed to mature mentally. It is the act of trying to reverse actions taken in a game done by one who cannot fathom the concepts of losing or fair play.
Sylvia: Knight to queen's rook.
Andy: Hey, I didn't see that or I wouldn't have moved my pawn. Give me back by rook.
Sylvia: Hey, no pelching!
by Nibble-Tastic May 26, 2020
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from the latin: To pull a pelch. To take a situation where the possibility of sex is guaranteed, and for some reason, voluntary or not, succeeding in NOT having sex with that person.
Why didn't you go back to her house? -I Pulled a Pelch and told her I had to study.
by bonnepoutine January 18, 2005
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Cum sucking some ones ass after commiting a cream pie, commonly done by poon boys or cucks.
Guy:Yo did you cum in her ass!
Guy 2: yeah, i had to start pelching that shit!
by long rod 92 March 2, 2017
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