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:

HAG1

HAG1

have a good one

YAYO

YAYO

ADD THE DEFINITION...You Are Owned by satan

SMTO

SMTO

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