marcus: hey andy, did u hear matt and joel bum scissoring last night?  andy: yeah man, they were rubbing anus's and moaning like a pack of wildabeasts
similar to lesbians scissoring, except with your bum
"marcus: hey andy, did u hear matt and joel bum scissoring last night?  andy: yeah man, they were rubbing anus's and moaning like a pack of wildabeasts" What is the definition of "bum scissoring"?