A mix of 'nap' and 'dump'. The act of, while taking a dump, falling asleep on the toilet. Often used as a way to have a quick nap at the workplace, by hiding in a bathroom stall to take a nap.
I was so hung over I took 3 numps today.
-or-
He's so lazy, he numps more than he works.
a kind of dance done to attract attention ,first seen in Wigan,England done by the original Numper Sir David EdwardsOBE, as he spoke or rather sang in Tongues as he worked himself up into a sexual frenzy brought on by the sight of nubile young boys skinny dipping in the local canal or Cut as they say in the lanky dialect spoken by pit men and mill workers as they danced up pit brew in there clogs
Bro : "Dude I just had the best nump!"
Dude: "The best WHAT!?"
Bro: "NUMP! I worked a 10 hour shift and ate Taco Bell on the way home, then fell asleep on the toilet. Let's rage!"
By Nomi
Nump
1. To approach a stranger and slowly rotate your hips while crossing your arms across your chest in a mummy-like fashion and yelping "Nump!" in a high-pitched voice. Inspired by the two legends, Butch and Mummy fart.