A part of the female anatomy aka the vagina.
I was playing soccer and that girl kicked me in the cheen cheena.

Your skirt is so short that everyone can see your cheen cheena.
by Hildaboink December 25, 2016
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looking onto someone elses screen when playing HALO 2 multiplayer or any other game that has the split screen multiplayer.
man, you guys are all cheen screaters. you guys suck.
by stokes & gil November 11, 2004
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