weppy is a combination of wanna-be and preppy. someone who dresses like a prep, but isnt actually one. like they are trying to be something they arent; weppy.
girl one: OMFG DID YOU SEE THAT WEPPY BEEZY?!?!
girl two: noo... and watch yer language, i dont appreciate it.
girl one: sorry but i just HATE weppys!
girl two: im sorry..