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1.
n. Someone who partakes in a youthful flirtation with sexual boundaries.

The original tatusexuals were Lena Katina and Yulia Volkova, members of the Russian pop duo t.A.T.u., who were known for their “lesbian image.” The two young girls were famous for exploiting lesbianism as a publicity technique and, in the spirit of experimentation, created great controversy over their sexuality with blatantly (homo)sexual performances.
-Girl #1: “Hey, did you kiss that guy I saw you hanging all over last night?”
-Girl #2: “And then some.”
-Girl #1: “What about that chick you were flirting with?”
-Girl #1: “She and I sucked face.”
-Girl #2: “Girl, youse a straight-up tatusexual!”
by EmmaGoldman April 11, 2009