Top Definition
v. very, really, extremely. Sometimes used for more emphasis.
1. That's mega awesome, man!

2. Jeff, making out with that tree was just mega wrong.
by XhYsTeRiAX September 02, 2005
a term specifically used by a small select group in the north west of england to desribe when something or indeed someone is really good, amazing and/or wonderful, etc. The best thing since sliced bread.
'ah thats mega mate'

'have you seen her new hair? It's mega!'
by G-Pirate July 11, 2006
Synonym for excellent or brilliant. Also likened to the word 'huge'. Complimentary adjective.
That car is mega! That's mega!
by Susan1 August 04, 2005
stands for "Makes Every Girl Aroused"; nickname of a contestant on the first season of Tool Academy on VH1
"You can call me Mega because I make every girl aroused."
by Hansonpaulsey October 11, 2009
Used predominantly in the west of Paris. Mega is used to describe an extremely hot babe.
She is so mega!
She is so mega scheisse! (using the scheisse after the word mega makes it the ultimate form of mega-ness a woman can hope to be portrayed as
by Demunication April 25, 2011
After taking a trip using the megabus as means of transportation the word mega can be used to show that something is great, large, or extreeme
1.dude that was a mega good trip

2. mega drunk

3. That was a mega hill

by Chitownboyz November 05, 2009
Slang term for Mephedrone, created by a group of Shoreditch kids.
Hey, should we get more mega for tonight?

Do you have any mega?

Do you want a line of mega?
by Mega ranger. August 19, 2010
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