p3n0r
A mean penis in 1337 language, used to call someone a total loser or a butt-sucker.
He called me a p3n0r and I threw a juice box at him.
She said my p3n0r was a butt-sucker and I said 'so is yours.'
My friend called me a p3n0r and I said 'you're a p3n0r too.'