Megafuck 

Used as an extreme of the word "Fuck". You would use it in any situation where you would use the word "Fuck". Or just simply insert it into any sentence replacing the noun, adjective, or verb. Makes 'em know you ain't megafucking kidding.

Adjective:

That guy's a megafucking loser!
Noun:

That party was such a megafuck!
Verb:

Dude, I totally megafucked Jessica last night!

I megafucking hate getting a dirty sanchez!

Megafuck by Clarke B., Nikita M., Julia C. August 11, 2010

megaflop 

noun: another word for ryan's penis

his megaflop was so big that it caused a time paradox making ryans penis go back in time and in doing so he lost his virginity before his father.

megaflop by teh_roker February 25, 2009

Megafuckoff 

A Megafuckoff is someone who is so much of a whiny little bitch that anyone who comes into contact with them will imminently want to tear out there wind pipe and beat them to death with it.
It's origins are from the school grounds of one "Jealy" who is totally awesome. where he told one teacher that he was a Megafuckoff when "Jealy" was questioned about stepping on a plant.

Teacher- Hay don't step on the plant.. what did that ever do to you
Jealy- fuck off you Nature Nancy
Teacher- What did you say!?
Jealy Ok i'll rephrase YOUR A MEGAFUCKOFF NATURE NANCY!
or
Jonno- hay Jealy, it's Stoken
Jealy- Holy shit, megafuckoff alert

Megafuckoff by Jealtech March 3, 2009

MegaFLOP 

Etymologically incorrect singular of megaFLOPS.

I think what he meant to say was the computer ran at 1 megaFLOPS.

MegaFLOP by Aristoi December 3, 2004

megafucked 

when megavideo's 72 minute time limit stops you from watching your favorite tv show

I was in the middle of this sex scene in Entourage where Sloan gets naked and I got megafucked.

megafucked by stick up my ass August 31, 2009

megafloored 

You couldn't be more tired and exhausted ( floored ) right now.

X_x
I'm megafloored

megafloored by lfat August 8, 2018

MegaFLOPS 

A measure of computing speed equal to one million floating-point operations per second.

The Cray Research, Inc., CRAY Y-MP/432 can perform 1300 MegaFLOPS at peak speed.

MegaFLOPS by Adam Selvidge November 29, 2004