Your girlfriend, an anonymous gutterslut, or some fairy who swallows your load, then burps up the rather unpleasent smell of your bleach scented salty nutbutter.
Man, did you smell Francis's breath? That spermburper must have been smokin pole again last nite!
A person who is so adept at sex or blowjobs, the recipient of their talents contracts temporary amnesia. Therefore providing the illusion of their sperm being stolen.
"Dude, this girl gave me the most insane blowjob last night. I passed out and couldn't remember my name, she's a total spermburglar."
1.When a woman swallows your semen and belch's it back up inyour face.
2. To belch up cum.
3. Another name for a woman that gives blowjobs and swallows.
Last night that woman pulled a spermburpus on me.
Hey spermburpus wipe your mouth.