8
the act of having unprotected intercourse with a woman during her menstrual cycle, a.k.a. on the rag
man, i went chumming last night and woke up this morning crusted to my bedsheets.... looked like my penis was involved in stabbing something to death.
by The White Chocolate May 02, 2008
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9
to surf while one is menstruating, to sportt fish without a license

can be pronounced "chummin"
" Ohhh the waves were awesome, but I was 'chumming', I went out anyway."
by margeriejones October 25, 2011
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10
Black men in the act of attempting to seduce, persuade, or "holla" at white women, in hopes of having filthy, interracial sex.
Yo Andrew! Look at those two nigs trying to pick up those white girls! Those brothers are chumming! If any of those girls take the bait, surely they are mudsharks...
by BMyaz November 16, 2009
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11
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 01, 2010
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12
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 05, 2015
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13
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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14
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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