Overly obsessed with bootie that you're on a continuous rampage and can't stop. Mostly a joke I made up about the infamous rapper 69.
"6ix9ine is on a slappy de spanky spree"
"I lost it and now I'm on a slappy de spanky spree"
A dirty old Goon who makes slapping noises tapping it’s old punani
That old Slappy Granny is making loud noises