French abreviation for "J'en peux plus". It can actually have different meanings. It could be used to express big laughs or in contrary exasperation.
guy1 : "Yesterday I almost killed a black guy with my car..."
guy2 : "JPP LOOL"
girl1 : "God, my boss won't stop to ask me for a blowjob, JPP"
September 17, 2008