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The act of laughing and vomiting concurrently. Usually refers to vomiting caused by excessive laughter.
I walked in on the both of them, him on his back, leg in a cast, and she's on top of him giving him a Cleveland Steamroller!

I laughed so hard I yuckchucked!
by FarmerKC October 20, 2011
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To violently vomit up all your stomach contents in an inconvenient manner.
"Hey man, pull over I'm gonna yuck chuck!"

"Yuck chuck? The hell is that? I'm not pulling over."

"Dude- Oh..OHH. Too la- *Rolls down window and proceeds to yuck chuck all across the side of the car*"
via giphy
by RetributionVII June 29, 2018
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