A sound one makes to foretell ensuing sexual action. It is the imitation of typical porn music. This onomatopia was the original, before Axe used it in their commercials.
"Laura is coming over for a movie tonight.... ba dump, bowchickawowwow..."
A perverse yet clever pickup line or hard line to attempt picking up chicks from a love docter with a PHD. in love certified in loveoligy a general harassitioner, and sexocologist.
Church: could we move her onto one of those on board computers?
Tex: if we set up a hard line, yeah I bet we could do it
Tucker: CHURCH WAIT! CHURCH HOLD ON A SECOND i GOT SOMETHING TO TELL YOU!
Church: Tucker what? What is it?
Tucker: I just wanted to say I got a hard line tex can use bowchickabowow