1) One who likes to perform the action of sticking one's finger up the anal cavity of another human being, usually being male,and/or ugly, as STM also denotes being a queer.
2) Can be used in conjunction with yayaya
1) So, STM I hear you anally fingered that queer guy!?!? STM....YAYA YOUR NOT GAY!
© 1999-2015 Urban Dictionary ®
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