1) The next level up from 'roflcopter', a transformation of a classic. In disguise. When roflcopter isn't enough, bring in Optimus Prime.
Widely used in London
2) An Idiot/Douche bag
Widely used in London
2) An Idiot/Douche bag
1) Joe: Lol.
Will: Rofl.
Joe: Roflcopter.
Will: Roflmus Prime.
2) Joe: Kat's such an idiot.
Will: Yea, what a Roflmus Prime.
Will: Rofl.
Joe: Roflcopter.
Will: Roflmus Prime.
2) Joe: Kat's such an idiot.
Will: Yea, what a Roflmus Prime.
by Hot Rodimus Prime May 4, 2009

by pledge prez March 8, 2005

Also known as Numeros Primos, this is a rare species, it is a part of the larger class of Natural Numbers, which turn out to all be made of primes. Primes have the special property that they are only divisible by one and themselves. This of course means 2 is the only even prime, which makes it the oddest of them all.
by SuperReallyGoodAtMathGuy December 22, 2008

A combination of the popular netspeak term LOL (Laughing out Loud) and Transformers autobot leader Optimus Prime. His enemy is MegaPr0n.
by Ashton James Brown January 9, 2009

another term used to define the quality of a girl. if she is real hot, then she is most definately a prime-cut.
by the DANMAN June 16, 2008

by Penishead Bob July 2, 2009

A breast (preferably on a woman) that is in perfect condition. The breast must be perky, yet large and succulent.
by hoadou812,jellyfish sweat August 16, 2011
