Top Definition
When a guy is having sex with a girl and she is bored so she watches tv as he is pumping away like a chump.
I watched part of an infomercial while he was chump pumping away. Sex is soooo soo on boring with him anymore
by athena2013 November 17, 2013

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A term used to define one who continually loses at 7 ball.
Boy, Rob sure is a Chump Pump!
by RC3 September 11, 2007

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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A person that manually bails a household sump after the electricity fails and they do not have a generator.
Dave and Sue spent all Saturday night working the chump pump because a tree took out their power lines.
by JMcFlyasdf September 03, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt