The act of cumming in ones pants while your girlfriend is getting ready to have sex with you.
When the man saw his girlfriend taking her top off, to his dismay, he started chumming in his pants.
by The BEAST of buttshecks November 2, 2010
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Flirtation that is used to attract a girl.

Chum is bait that is thrown into the water to try to attract tuna fish at sea, so they then will bite a hook.

Chum in the real life sense are flirtatious comments that a guy puts out towards a girl in the hopes that he will "catch her."

See the definition for the word "chumming" for further explanation.
"Ive got some nice chum in store for the party tomorrow night"

"Graham has bad chum"
by FCTunaBoat February 6, 2015
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The act of a guy flirting with a girl.
Explanation:
The main word of an analogy comparing flirting with Tuna Fishing. Chumming, in tuna fishing, is the act of chopping up fish to throw into the water to attract tuna fish to come eat the bait (chum) and then subconsciously eat a piece of bait with a hook attached to it.

This is then translated to real life when a guy flirts with a girl he is "chumming" by trying to attract the girl to him.

If you have nice bait, or chum, for example it is much easier to catch a tuna.

Some tuna fishermen have nice chum, but have bad hooks, rods or lines.

And vice versa. A master tuna fisherman would be Channing Tatum who has nice chum, hooks, lines, and a nice boat to bring the tuna fish back to port with.
"Graham is chumming so hard right now."

"Yeah dude, but the tuna hes going for is not highgrade tuna - stuff wont sell for alot back in port."

Or,
"I was chumming so hard but the tuna just werent biting."

"Ah, shit man, i guess we will to to another party.
by FCTunaBoat February 5, 2015
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Puking your guts out overboard. NOTE: Should be done on the lee side, not the weather side.
Moron: "Whoa! It sucks to chum on the weather side! Now I'm covered in my own puke!"
Non-Moron: "No shit!"
by KodiakMamaBear March 18, 2005
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When a fat nasty person eats food and gets shit all over their face, but they don't notice it and they just keep eating their food while you can't help but stare and vomit.
While Rachel was eating her sub a little mayonnaise dribbled down her face, but she didn't notice. Sean could only sit and stare in disgust and complete nausea as she kept chumming on her sub.
by CB.88 November 13, 2006
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