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1 definition by Valkova

 
1.
Acronym, meaning "Show Up To Fuck"

Often used over internet chat and texting when inviting someone to meet them in person.

According to the situation this could mean bring lingerie, protection, or just be in the mood.
Phil: Hey babe, how's it going?

Megan: Kinda bored, you wanna come over?

Phil: I can't stay long, I have errands to run.

Megan: A quickie then, sutf.
by Valkova June 16, 2011