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v. To vomit, particularly a foul mixture of liquid and food particles, such as the nefarious buckets of fish blood and guts spooned into the sea by fisherman to attract fish.

We couldn't leave the frat party in time to meet you because your boyfriend was in the bathroom chumming the fish.
Dude, quick! Where's the bathroom? After that last round of shots i really gotta chum the fish!
by Vagabond King July 08, 2014
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