used as "in your face!"--(Expresses Excitment)
"man, i just got fucked!" (Expresses Anger)
used to express defeat
*I just won a $1000 bet with you. "Fow! Fow!"
*Waking up in the morning and not remembering what you did last night, then....you remember WHAT YOU DID last night! "Fow! Fow!"