look up any word, like spook:
 
1.
Yet another slang term for womens breasts.
She's got some nice mcguffies
by Duncan August 22, 2005
 
2.
The act of hurdling or jumping over one during a football game while carrying the ball.

Originates from Cy-Fair's running back Sam McGuffy.
Crowd: Ahhhh...
Player: -Jumps-
Crowd: MCGUFFY!
by K.Young March 04, 2008
 
3.
to jump over someone when they wern't expecting it
During the middle of the football game a player pulled a mcguffy right over another player.
by fakeperson55 January 06, 2008
 
4.
please see maguffies
see maguffies please
by Ryno July 18, 2004