Noun, Adverb.
Acronym of "Pussy-slap peace out". The act of slapping a pussy, then "peacing out" or as an conversation stopper, often used with girlfriends.
-"Yo I PPO'ed your mom last night! "
-"Damn, you need to respect your lovers..."
-"We need to talk, it's not you. It's.."
-"PPO"