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some one who comes un-invited to places where people do not want this person. A loser who watches movies all day and goes on myspace because no one wants to be around him/her
Dustin ross came to mcdonalds un-invited so we had to leave because he is gay and no one likes him(GAME KILL)
by allie hughes June 21, 2006
When friend will not leave you and a member of the opposite sex time alone. Thus causing frustration.

See also cock block
Dude Dirkamo Dustin is such a game kill!!!
by oh my dawg June 19, 2006