The short form of "chumleg," referring to the penis. As the penis is also usually its owner's best friend, the friendliness implied by "chum" makes the term that much more appropriate.
"I showed her my chum last night. She seemed impressed."

"Goddamn my chum is rashy... I hope I didn't catch anything."

"That fudgepacker tried to grab my chum in the showers after the game! What an asshole!"
by Gorshinspew September 18, 2011
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To entice strippers by selectively throwing out several dollars at a time in order to gain more attention.
Oh man I blew $300 at Jiggles last night.

WTF Pablo. Why didn't you just throw out some chum like I did? The chicks were all over me.
by aretegroup March 13, 2015
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Sheldon J. Plankton‘s underwater specialty, or rather his downfall in the food business.
PATRICK! Don’t eat the chum.
by Jj22! May 23, 2020
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To chum
v. The act of a woman ejaculating semen out of her vagina.
John: Oh shit, I'm cumming.
Jane: I'm chumming!
John: Huh?
by Boogie3D October 18, 2015
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A woman’s menses, consisting of blood and cellular debris from her vagina leaked into the water whilst swimming.
Sally you've left some chum in the pool
by Phoenixleo July 23, 2018
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Pronunciation: \ˈchəm\
Function: Verb

1. A female having her menstrual cycle in water.
While on a boating trip, Sara chummed the water to feed the whales.
by golof March 16, 2010
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