by smiley808 September 7, 2010

Megatron is the street name for the legal high mephedrone, it's sold in many herbal high shops under many different names i.e shake and vac.
Let's do some Megatron
by Frogbox September 3, 2009

by jay22567 January 2, 2006

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 12, 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 31, 2011
