(Dat Boi)
A green frog riding a red unicycle.
(Action) Usually accompanied with inhaling, exhaling, and the extending of both hands with the palms pressed together. This is usually used in astonishment, exasperation, and sarcasm.
Oh shit waddup, dat boi is here!
I met Shrek over spring break and it was pretty great.
*inhales* *exhales* Boi, you have no idea how happy I am that you have met our onion-lord and savior.