bleed a weasel
a coarse, and somewhat ridiculous, term for defecate
Excuse me, I gotta go bleed a weasel.
bleed the weasel
Urinate, Take a piss, siphon the python, pee
Can you watch my drink for a minute, I just have to go and bleed the weasel.
bleeding the weasel
To have anal sex and tear through a matted patch of anal hair, then plowing said ass until bleeding occurs.
Man I was totally bleeding the weasel with Lisa last night.