Top Definition
Weenfart is a normal bodily function in which a burst of air is secreted or farted out from the hole of the penis; much like the queef is to the vagina.

in laymens terms it means a fart out of the penis.
Doctor-" Any trouble urinating?"

patient- " No, but right before I pee there's a quick weenfart and then the stream is pretty steady"...
by Shanezore February 18, 2009
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