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1.
A movie or show that dosen't seem quite real, as though it is a movie/show that originates from a movie or show that uses it for reasons of parody.

McBain being a reference to a movie series from The Simpsons.
"So I saw a preview to this movie called Jack & Jill with Adam Sandler. Such a McBain..."
by YepThatGuy October 26, 2011
4 2
 
2.
One who is Skinny yet stereotypically renoun for being similar to Simpsons 'Alpha Male Movie Idol' Rainier Wolfcastle because of his movie character 'McBain' being the same name as him.
"dude that gorilla just McBained that old grandma!"
by Dave-0 August 20, 2006
14 12
 
3.
An expletive you say when the world seems to be shitting on you for no good reason. Originated in Madison, Wisconsin.
Professor: We are going to be having a quiz today on last night's reading.

Student: MCBAIN!!!!!!!!!!!!!!!!!!!!!!!
by arslavens September 04, 2009
6 7
 
4.
to fail at life and flex all the time
guy1: do you know mcbain?

guy2: yeah his a piece of shit

guy1: yeah that guy
by you failure2 March 07, 2010
4 7
 
5.
To have legs like bleached white pipecleaners and bear a striking facial resemblence to Mr Bean.
Check out that dude in the shorts.... he's SO McBain !!!
by Baku Goose July 13, 2009
1 9