1. Generally performed by two males, the cross over involves the first male placing both hands inside his partner's pants - one over the buttocks, and one placed firmly over the groin. The male's partner returns this action, so that both arms cross over. This is typically performed in public, as a statement of pride in one's relationship. Experienced couples often resume walking while performing the cross-over, though this is a difficult technique and not recommended to beginners.
2. A dribbling technique used in basketball to change the dribbling direction quickly.
1. "Bob, we've been together for several months now...it's time we performed the cross-over."

2. "That's a brilliant cross-over by Kobe Bryant, he dumbfounded the other team there!"
by Cross-over luvva December 13, 2009
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Typically found in Roleplay gaming. The act of taking one character from one complete game, and translating it into a completely different game, with little to no basis for doing so. Usually looked down upon as the sign of an underaverage roleplayer(Or one who does not want too subscribe to any lore or rules that the game already has set) by the community he or she interacts with.
Also considered a type of Metagaming.
Note: Typcially with gaming, a roleplayer signifies that they are speaking player to player with ( or or {, instead of normal character too character conversation

A: (So.. your character is a viking.)
B: (Yup.)
A: (Your flying a space ship, and you arent human. You do realize that this is a scifi game and humans are thousands and thousands of years away from being vikings.)
B: (Still a viking. Brought my character over from x game name here)
A: (*sigh* Thats Roleplaying cross over, you know.)
B: (STFU)
by ModeratorNine December 13, 2006
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The fattest man you know who has enormous tits. Worth going gay for.
Kid 1: Dude, check out Randy's tits.

Kid 2: I'd take a dump on those. He is my one and only Fat Cross-Over

Kid 3: Word...

Kid 1: I don't know, he's nice, but my physics teacher... I need to get on those...
by sumthinmonthofmay May 12, 2009
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Cross-overization,
a noun form of "cross over", which can already be used as a noun
Zhang just made a cross overization on Yang.
by jackzhang July 18, 2008
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