Anal Vacuum
Where you put your mouth on someones asshole and start sucking until you eventually suck a fart out of their ass.
I heard that your mom likes to give every guy that shes with an anal vacuum.
anal vacuum
the act of sucking ones asshole until either a fart or feces comes out.
Jim gave me an anal vacuum last night and it cleared my constipation
vacuum anal
Sucking out an anus with a vacuum until fully stretched beyond use.
I vacuum anal my girlfriend at night