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:

WDYM

WDYM

What Do You Mean

BDU

BDU

Brain Dead User

NTMU

NTMU

nice to meet you

OTJ

OTJ

On The Job