Definition #1: GTS can be used in conversation when someone wants to challenge another person's knowledge regarding a subject matter at hand.
Definition #2: GTS can also be used completely out of context and randomly stated in conversation or as a comment/post on Facebook.
Girl: "Dang, Amy Winehouse joined the 27 club. Now there's 6, Cobain, Hendrix, Joplin, Morrison, Winehouse...and, uh, who's the other one?"
Boy: "Hmm, I don't know."
Girl: "Lemme GTS that shit!"
Boy: "Hey guess what, I don't have work this Friday!"
Girl: "Really? GTS!"
Facebook Status: "Thank goodness for coffee!" Facebook Comment to that Status: "GTS that shit!"
(being derived from Get Some)
Kevin: Are you gunna gts tonight?
Vince: Yeah, all night.
Jesse just gts with her.
While playing basketball, you drain a 3 on someone. Quickly say gts. (While holding your hand in the air like you just don't care.)
referring to how to stay fresh to death.
everyday these three things are a must....laundry is necessary but not daily.
from the show Jersey Shore
Gotta GTS every day son.
Snooki i got in the g and the t, do you want to help me complete the trio?