What does STO mean?
Sticking Out Tongue
Other definitions of STO:
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How to use the term STO:
There are no example uses of STO at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:
FTASB
Faster Than A Speeding Bullet
KMWA
Kiss My White Ass
JAFS
Just A Fucking Salesman
FOTB
Fresh Off The Boat
