A young guy that is such a horn dog that he will try most anything sexual.
My buddy Shawn is a try-sexual: he fucked his girlfrind Mandy and her fag-hag buddy Travis.
Person who will try anything
Can be used for both genders
From Cheech and Chong's Movie The Corsican Brothers
Try-sexual guy : You gonna eat all of that apple
Try-sexual girl : Anybody got a ruler
(Examples not from movie)