The act of fornication from the backside, Doggy style, while the partner is vomiting. Each thrust helps to expell the deep stomach contents.
After a night of drinking my girlfriend needed a bilge pump to make her feel better.
by Bubba33 January 29, 2008
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The act of doing a girl doggystyle as she spews vomit from her mouth.
Dude, did Jimmy tell you? He totally pulled the bilge pump on that bitch.
by Ben Eisenstaedt September 17, 2006
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Essentially an upper-decker, reverse blumpkin.

She's sitting up on the tank dropping off the goods, he's sitting backwards on the seat munching her beaver.
My girlfriend was so pissed that I banged her friend that she made me give her a Norwegian Bilge Pump in her friends bathroom to get back at both of us.
by WTMFN January 17, 2016
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When your boat has a leak in it so you proceed to shove your penis inside the hole, drink the water remaining in the boat, and piss out what you have drank.
*fishing*
Mate: shit bruv we sinking
You: fack mate we sinkin'
Mate: give er the Alabama Bilge Pump eh
by Harvey HugeCock June 16, 2021
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