by jay22567 December 29, 2005
An obese female, usually capable of consuming large amounts of "energon" such as chips, pizza, hamburgers, etc. in a single sitting. Megatrons tend to be rather obnoxious or loud, often being heard over most talk in a room.
"Bro, I was trapped behind this megatron at Wendy's. She was so loud, I couldn't hear anybody else in the room!"
by hurr durr herp derp January 05, 2012
robot version of jarv has a big ass rocket welded to his arm da baddest ruffest n meanest baddie of dem all
by Jarv April 21, 2005
Former members included Stella, Scarlett & Alexis, however most recently Castile decided it was time for Megatron to move on, he felt it would be best if the three girls left paving way for other actors e.g. Joe Batt & Rebecca Sims(Hangman)
Megatron Megatron Megatron!
by Castile March 15, 2011
by Fallicd_joe June 22, 2012
When your baby, child or infant misses a number two only to have a poo explosion a few hours later that escapes the nappy/diaper confines.
Katie ran to the change room holding her nine month old son at arms length after a megatron escaped from his pants.
by Mr Sinister6 January 08, 2010