JMS

Text term for "Jack My Swag" which means to copy someones style that makes them cool.

Dude 1: "Yo man, Mike got the same haircut as you."
Dude 2: "Wow, he would JMS like that."

Girl 1: "OMG!! Lisa got the same top as you!!"
Girl 2: "NO WAY! SHE LIKE TOTALLY JMS!"