1)A
state of confusion with contentment. Whereby the person who is in this
state, is content enough to think "ok", but have no idea or
care as to what the other person is saying.
2)'Sto' can often be repeated to imitate the amount of syllables in a sentence the person said
1) Person1: Hey,
you know you were supposed to have done our
homework for
today?
Person2: Sto
2) Person1: What are you up to?
Person2: Sto sto sto sto sto?