Top definition
When a person of the male gender places his flaccid (soft, non-erect) member inside of a woman (typically), and then proceeds to urinate inside of her.
"Hey bro! Did you hear that the girls tennis team gives great dome?"
"Yeah, but can any of them take a New Guinea Gaspump?"
by Ed Denes April 03, 2008
Get the mug
Get a New Guinea Gaspump mug for your bunkmate GΓΌnter.