The act of defecating in ones hand, and smacking someone else with it. A doo-doo punch.
Alex dunched Chris so hard, doo-doo went everywhere.
by The Goblin: Gee October 8, 2010
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pronounced: dunch.
The exact meaning of the word is ambiguous; however, the context in which the word is used allows limitless connotations. Also, the strength of the descriptive words can imply the urgency of the word.
Neutral: "Man, you're such a dunch."
Positive: "Man, let's dunch all night long!"
Negative: "Man, you are a fucking dunch."
Very negative: "Man, I didn't want to tell you like this, but for the last 3 months you've been a total fuckin dunch. If there was a legal way for me to castrate you, you bet your ass I would. See you Friday."
by SloppyDonor October 12, 2007
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{dA rather extreme form of Ass Spelunking occurring after lunch but before dinner. The extremeness being that it often involves shit covered orifices and brown mouth hugs. This can occur between two men/two women/man & woman. If more than two parties are involved it becomes a Group Dunching.
I dunched the shit outta that sorority chick last night!

Peter got all mad after we decided to dunch and I accidentally got some poo into his eye which gave him pink eye.
by dunchmaster5000 May 17, 2009
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I had cheese and eggs for dunch.
by Robert Gay December 2, 2003
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Another word for teabagging. You feed downed opponents online dunch, giving them a heaping meal since most commonly you play between lunch and dinner.
i just feed that little lady some dunch!
by AAA eX November 18, 2008
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The act of Squeezeing the butt cheeks together and fucking them, without penetrating the anus or the vagina.
So i was dunching my girl last night and i totally jizzed on the small of her back.
by TheBlackChad...grimma December 26, 2018
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