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4.
Adj/Noun-Something that's both gay and retarded. Originating from his movies where he's playing a retard and a gay guy (I Am Sam, Milk).
"That's Sean Penn."
by mamamike January 01, 2009
 
1.
Grumpy Actor, who is the former husband of Madonna.
A. Dude, Sean Penn is obviously still in love with Madonna...
B. Totally!
by Dale Walford March 26, 2007
 
2.
A fascist because he hangs out with and pals around with other know fascists such as Saddam Hussein.
The fact Sean Penn is a fascist is irrefutable.He was also married to cum dumpster Madonna.
by freedom fighter September 15, 2006
 
3.
a very leftist Hollywood actor
Sean Penn is a huge hypocrite for bashing America for stealing its land from Native Americans but ignores the fact that the movies he's in are made by film companies based in America, filmed on American land and seen by paying American customers in American movie theaters.
by rustyshackleford December 10, 2007
 
5.
One of the greatest actors out now and easily the best of his generation. But his talent is overlooked over his temper tantrums, anti-Hollywood attitude and sour sense of humor. But he's one of my favorites. You can't hate someone you don't know personally.
Too many dipshits base an actor on their personality. You guys don't know them to judge.
by Kyle March 20, 2005
 
6.
1) The ruler of the world.
2) A really nifty actor
3) Someone who can kick your ass.
1) Hail Sean Penn!!!
2) Sean Penn was awesome in 21 Grams!
3) Look at Sean Penn castrate the first submitter!
by Jesus Christ April 29, 2004