What is Boum?
1.
1: fit, hot
2: cute, sweet
Ronaldo is boum
Your boum hunny
2.
French for party. Better-looking word than party. Pronounced 'boom' and used to describe the particular party that is a sleepover, usually one of all girls.
"BOUM AT MY HOUSE TONIGHT!!!!"
"
omg I am EXCITED!!!!!!!!! I'LL BRING THE CAKE!!!!!!!!"