Something that is huge or really big, usually used as if something is really bad (because Megatron is the bad guy in Transformers)
Man, I had a megatron exam in math, and I'm sure I bombed it.

That guy is a megatron douche!
by Cerpin Taxxt October 29, 2006
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Song by Nicki Minaj

Brra, ta, ta, tat
Brra, ta, ta, tat
They call me Megatron

Just did a telethon
He got Margiela's on, and I get my jealous on
I fuck him like I miss him
He-he just came out of prison
Bitches-bitches be talkin' shit, but they ain't got a pot to piss in
My-my name is Nicki M
I'm in a sticky Benz
That-that mean it's candy apple red, I'm Barbie, this is Ken
That is a Fendi fact
I'm with a hundred Macs
Oh, this is custom made, Donatella sent me that
Feel up, baby, feel on me
Pull up if you're feeling lonely
Feel up, baby, feel on me
Pull up if you're feeling lonely
Brra, ta, ta, tat
Shots, shots, shots, I'm drinkin'
It's better when I'm drinkin'
I tune up when I'm drinkin'
Rum, rum when I'm
Brra, ta, ta, tat
Shots, shots, shots, I'm drinkin'
It's better when I'm drinkin'
I tune up when I'm drinkin'
Rum, rum when I'm
Brra, ta, ta, tat
Brra, ta, ta, tat
Brra, ta, ta, tat
They call me

Shorty's a mega con
It ain't about the race either, it's a marathon
I put the squeeze on him
Throw up the B's on him
That ass clappin' on the D, Hercules on him

My name is Baddie, Baddie
I keep it tight for zaddy
He keep it comin', comin', he ain't he even drop the addy
Trunk in the front-front
I need a blunt-blunt
I own my own Moscato, bitch, we gettin drunk-drunk
Nicki Stan: THEY CALL ME MEGATRON

Me: BRATATATATARA
by Diamond2468 July 4, 2019
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Similar to the donkey punch...
Whilst having sex in the doggy style position, the dealer yells out loud

"You have failed me for the last time Star Scream!"
followed by the dealer punching the receiver in the back of the head.
I totally gave jenny the MegaTron last night...one word... EpicEjac.
by ClaverFlav June 28, 2010
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A crazy ass bitch who will stop at nothing to get fucked up. A good friend, but also a good friend who is always willing to fuck some shit up. The girl who gets high before night class and brings fruit loops. The girl who almost quit lacrosse to go on spring break, because she wanted to fuck shit up so badly.
"Did you tron last night?"
"Oh shit, Megatron was out last night"
by thebabymaker January 24, 2013
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a mighty beast that small villages conviniently by pubs. often knocked down by tennants super or a rortise
theres a mighty megatron living in saltford, rasp him with tennants to knock the beast for 6
by poland June 12, 2003
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(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
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