When a small group of males and a small group of females battle with brawn and whit. In most cases of Battle of the Sexes the male will dominate the battle, although in the end the females always seem to find a way to out-whit the competition.
An aggressive form a sexual intercourse that incorporates violent physical actions towards one another commonly resulting in cuts, bruises, bleeding, various bodily injury, stroke, seizure, or possible death.
"Dude, how was last night? What happened to your arm... and your hair?"
"Well, last night was incredible. We had BATTLE SEX!!" *play battle sextheme song here*
Before the battle of the sexes, we were all on the front line marching, and I was probably just as scared as any other dude to fight a bunch of dykes, but I remember thinking this is it, this is the truth! I've never felt so alive.