Nipple Protrusion; when you can see an individual's erect nipples through their clothing, intentional or unintentional. Can be a result of sexual excitement/arousal or (un) favorable temperature.
Person 1: Dude, did you see that gal just walk by with all that NP?
Person 2: Yeah man, she needs to get a thicker bra or something!
laughter
1: Most commonly used as an acronym for the term 'no problem'.
2: Also can be used in the game Left 4 Dead in which it would stand for either no problem OR nice pounce, depending on the context of it's use.
"Thanks bro!"
"np man."
or in l4d
____ has pounced you for 25
You: shit... np man.
Hunter: ty
Nigga Please also for white people negro please. Used to express disbelief in a stament or action from someone or something. Mental rejection of something as untrue.
My friend text me last nite, talkin' bout he pulled two bitches in the club. I texted him back "NP"