1.(Pronoun) Vile, Despicable leader of the Decepticon Army during the first 2 seasons of the G1 Transformers series during the 80's. Came up with many plots and schemes that were often foiled by the Autobots. The only time he came closest to victory was during the last episode of Season 1..Heavy Metal War.
Shockwave: Laserbeak returns Megatron..
Megatron: Welcome Laserbeak! Unlike some of my other warriors, you never fail me!
by El Diablocron December 24, 2005
Get the Megatron mug.
Leader of the Decepticons and arch-enemy of Optimus Prime. Looks like he could kick everyones' asses but never does because he's actually Optimus Prime's bitch.
People that Megatron could beat in a fight:
by Mat_el_sexy_band_geeek March 20, 2008
Get the megatron mug.
The leader of the Dcepticons and worst enemy to prime
Megatron is the leader!
by by: miller song November 3, 2020
Get the Megatron mug.
Nickname for Detroit Lions wide reciever Calvin Johnson. Has this nickname due to the fact he has huge hands that resemble a Decepticon.
Guy 1: What's the point of watching the Lions, you know they're gonna suck as usual.

Guy 2: Don't be so hasty on your decision, Megatron has been bringing on the TD's recently. They might actually make the playoffs this season.
by viva riolu October 21, 2011
Get the Megatron mug.
(adj.) is PRIMARILY used for describing the terms "badass," "the fucking shit," "insane," "mind blowing," etc.

Made famous by Australian Jason Ellis.
"Dude that beer pong shot was so fuckin MEGATRON."

by DayGlo Dax Drilling August 5, 2008
Get the MEGATRON mug.
Guy 1: aye yo that girl is giving me a megatron all up in here

Guy 2: that’s my mum
by Ynw youngdagger June 2, 2022
Get the Megatron mug.