What does STO stand for?
STO stands for "Sticking Out Tongue"
How to abbreviate "Sticking Out Tongue"?
"Sticking Out Tongue" can be abbreviated as STO
What is the meaning of STO abbreviation?
The meaning of STO abbreviation is "Sticking Out Tongue"
What does STO mean?
STO as abbreviation means "Sticking Out Tongue"
