1 definition by Professor Ool

A adjective that describes a person who is extremely random and isn't afraid to do things for the sake of fun; such as singing or talking to strangers. Often seen wearing a out of ordinary piece of clothing such as a Horse Head Mask or a Tuxedo in the middle of summer.
Guy 1: Hey have you seen that purple flying hippo?
Guy 2: No??? (Wtf?)
Guy 1: Yeah, I'm serious, It's name is Wuv Woo!
Guy 2: (Must be a praful).. Sure...?!?!?

Guy 1: *Sings fucken random song with a horse mask*
Guy 2: Wtf are you doing?
Guy 3: Must be a praful...
by Professor Ool December 13, 2010
Get the Praful mug.