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

mc fly 

The worst band in existence ever!

12 year old girl:” they are like so the new busted!"
12 year old boy: "yea i got a mc fly hoody thats 3 sizes to big for me and hang around with my other 12 year old idiot friends down the park and that makes me a skater even though i have no interest in any kind of sport extreme or not and would probably be to fat to balance on anything with out handles"

mc fly by asha July 19, 2004

Mc FLY 

a band who r shitter than any other and suck my ball mc fly suck shitt out of me crack fucking bum boys

mcfly r gayer than a gay man

Mc FLY by MR GOTH March 16, 2005

sly mc fly

to be as a fly and fly around the world and not be seen
But you die in 24 hours so be sly and you will mc fly

the sly mc fly went to paris and was on its way to china but was splated by the airplane of Your mom

sly mc fly by justin adona January 29, 2008

Muddy Mc fly

When you unzip anothers trousers and defecate inside then zip it up again.

Where's tuffy?

OH , he's in Thomo's office giving him a muddy mc fly.....

Muddy Mc fly by Rustytinman December 21, 2021

Mc-Flyin 

Mc-flyin is the act of getting really high when smoking weed and going to Mcdonalds to satisfy your munchies.

Most pot-heads go through the drive-through window due to fear of police officers

Josh-"Yo Darrel where you at right now?"

Darrel- "yo i just hit a blunt and now im Mc-Flyin.. you want me to pick you up anything?"

Mc-Flyin by Ace Nations August 10, 2009

Buster-Mc-Flystead 

A general term for the combination of boy bands such as Busted, McFly, Son of Dork, Elliot Minor etc.

Guy 1: Hey, dyou wanna listen to some music?

Guy 2: Woah! No Thanks! All your CD changer has is a load of Buster-Mc-Flystead!

Buster-Mc-Flystead by CHaZaa September 1, 2009