bussin up
Laughing extremely hard. You are literally rolling on the floor in tears.
--- "What happened to you?"
--- "Urmm... I kind of, urm wet myself?"
--- "NOOO WAYYYY LOOL. DONT LIE YOU GOT ME HERE BUSSIN UP!!!!!!!!!!"
--- "Urmm... I kind of, urm wet myself?"
--- "NOOO WAYYYY LOOL. DONT LIE YOU GOT ME HERE BUSSIN UP!!!!!!!!!!"
bussin it up
Philly slang for talking
Lisa & Tim were really bussin it up at the pool party