A Pump and Chunk is when a male is puking, and receives a hand job at the same time from a female. The male will then alternate from puking in the toilet, and making out with the female, the entire time receiving a hand job.
The other night, I received a pump and chunk from this drunk chick.
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Used to instruct a male associate to copulate with his female companion.
"Fuck it if her parents are home; just pump her chunk!"
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It is used as a term for premature ejaculation. The man enters twice then releases his fruits.
Did you her about what Joe did?
What?
He did a double pump chunk!
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