D'aint

A combination of the words Don't and A'int. Means "Do Not"

"Can I touch your no-no square?"
"D'aint."

feeb

An idiot, or someone stupid

"Bro, that girl is such a feeb. she thought 2+2 was 5!"

Ponty

A tall person that creeps on peoples laptops

Oh my god, stop looking at my laptop, you ponty!