Definitions by Tarquinn

mc fly 

a loser, social misfit. Comes from the character marty mc fly's dad in back to the future.

sharon: Hey johnny u wanna go down to the park and hit things with sticks?

Johnny: yeah mc fly! your such social missfit/loser!

Sharon: My mom says i'm an all rounder

mc fly by Tarquinn February 21, 2005