1- The preferred method of asking someone if they are aware of the signs and tell-tale indications that make another aware of the person in question's homosexuality. This phrase was made famous in the movie, 'The 40-Year Old Virgin'.
PAUL: "You know how I know you're gay?"
PAUL: "Because you have a triangle rainbow bumper sticker on your car that says, 'I like balls in my face.'"
GREG: "That's gay!?"
1- Boring Definition: Olympian Diver famed for breaking his head on the diving board and covertly leaking AIDS into the pool.
2- Cool Definition: Sexual act. Performed by engaging in intercourse and bending your partner over a coffee table or other low surface requiring them to use their arms to hold themselves up. At a climatic moment you pull their arms out from under tham causing their face to bounce off of the coffee table, must yell 'Greg Louganis!' See also Tony Danza
1- Greg Louganis was a dick head to give the pool AIDS like that.
2- Megan is so dumb. I'm totally gonna give her the Greg Louganis tonight, man.