Music played in old porno films right after the first penetration or little bit before a blow job by the bass guitar and also used to describe someone that is very hot.
A phrase from the Lynx advert
Usually used by girls to describe a guy's hotness or by men to describe a girl's hotness.
sometimes accompanied with a dance
Girl: Woah! Look at that fitty! BOOM-CHICKA-WAH-WAH!!
*sways hips*
A sexual practice, one partner takes a shit on the others stomach (Boom) the male partner then slaps the penisin the shit (Chicka) before proceeding to rub the penis under their partners nose (Wah Wah)