1.Stereotypical fraternity member from head(sunglasses on Croakies) to toe(Rainbows or Sperrys)
2.A delicious mixed drink consisting of one part boxed wine(Franz) and one part beer(Natty)
"That greek is looking so fratty with his popped collar."
"Fratty is the drink of champions!"
(frat-tee)verb - Derived from common behavior by frat guys after a crazy night. The act of being wild or extreme for no apparent reason besides being wasted and/or angry. Such actions include breaking beer bottles, being a jerk, fighting, and yelling, usually resulting from the consumption of large amounts of alcohol.
"Man, you got so fratty last night! You fratted that guy out the window and shattered a 40 in the bathroom!
"Oh shit, are you serious?! I don't remember a damn thing! FRAT!"