Top Definition
When a woman's breast milk is used as a sexual lubricant.
"My wife is still breastfeeding, so I asked if she was down for a pump and hump."
by Fappus the Bold April 09, 2009

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When a human of the female gender, pulls her tits, or the male counterparty pulls them, untill she squirts breast milk onto the male dick. The male then inserts his penis into the females vagina using the milk as a lubrication.
Your having sex tonight? Well im going to Pump and Hump tonight Sister!
by Fuckboy69#chris in the cafe January 18, 2017

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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.

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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).

Buy the t-shirt