frat star in training
A high school boy who is in training to become a frat star. Usually good looking, shin high socks, enjoys short(er) neon shorts, and perhaps playing lacrosse.
"Whoa, Christie's brother Kevin is so good at sports/getting the babes/being good looking."
"I know, he is such a frat star in training"
"I know, he is such a frat star in training"