Used as sound of action in cutting someone down; derogitory gesture to poke jabs ; sarcastic boast of a winning or one being right and proving it .
"I guess you heard that didn't ya , coot coot coot "often said along with body language of taking one or two fingers making a short fast rake or brushing off motion of their cheek or lower jaw bone
Mike- Hey Jim, this girl was being a total bitch. I was this close to cunt punting her!
Jim- Yo man, you can't say that, my kid sister is right here!
Mike- Oh, sorry. I mean I was about to coot boot the slut.