A sexual act where one takes a drinking straw and lubricates it by inserting it into the aroused vaginal canal. That person then takes the straw and inserts it into the rectum and they begin to consume the fecal matter within the rectum with sed straw.
Pizza guy: Hey gurl, want some chocolate with that pizza?
Slut: I'll slurp that shit up. (Quite literally in this case)
Pizza Guy: Slutty slurpees up in this bitch!
Slut: I'll slurp that shit up. (Quite literally in this case)
Pizza Guy: Slutty slurpees up in this bitch!
by The Troll of Polska January 16, 2013