1 definition by glassmangirllaniskust

stuffed animal, tooth brush, underwear. one of 3, 2 or 3 or all 3!!
friend: yo is my girl dtf?
other friend: i dunno check her purse, if she has one of the 3 STUs then shes down

ex 2.

friend to girl: cammon, you brought one of ur STUs, your clearly going to get fucked tonight

ex 3. Fuck its 4am in the morning and i wanna go fucked jared... i dont have my STUs will u please bring them for me
by glassmangirllaniskust October 19, 2010
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