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To dispense ejaculate into a public swimming pool, for the purpose of attracting sluts.
David Randle was chumming in the kiddie pool, so he was arrested.
by Cockman442719 February 27, 2011
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discarding waste to attract fish
A person sometime will cut up fish in a bucket to attract other fish to the area... Man what are you doing, "I'm chummin."
by Trever Powers November 11, 2003
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When that special girl is extra bitchy during her time of the month.
Don't worry man, she's just chummin right now. Let's just hope it doesn't attract bears. Yeah, bears.
by drstrangeface September 06, 2013
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1.The attempt to push yourself after obvious signs of exhaustion, which is triggered from any form of exercise. Most common in white females.

2.The slow-paced form of exercise that only looks like it is actually doing something, but in reality is no more effective than walking. Most common in white females.
1. On the last turn of the 400m, she was chummin'.

2. She was chummin' on the treadmill at the gym, it was so weak.
by Qurman778 December 21, 2010
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