A more exaggerated drawn out way of the classic Booya. Most effective when yelled in an unsuspecting victim's ear at close range. Best pronounced booYANcee
Your football team just beat your friend's football team. You sneak up behind him, get really close and yell BOOYANCEE!
2 males normally related somehow, sitting in a coffee shop or hookah lounge together but talking over the internet. Normally about crude and retarded things like Zahall.
Joshua- "hehe want to "fight for no reason" it means, when 2 people decide to fight for no reason.
Tim- "Your a Zader arn't you"
waitress- "you guys are such boobangamen"