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2.
JTS
Acronym for "Jump The Shark"

A term used to describe a moment when something that was once great has reached a point where it will now decline in quality and popularity.

Origin of this phrase comes from a Happy Days episode where the Fonz jumped a shark on waterskis. This point is generally considered the point where Happy Days stopped being funny.
Happy Days JTS after the Fonz jumped that shark.
by Charwinger21 April 17, 2011
 
1.
Justin Timberlake Syndrome.

When a person ditches all their friends to go off alone thinking they're the best and then quickly turns into a doushebag.
"I havn't seen Fred around lately, what's up?"
"Oh, he has J.T.S."
"Ah I see, what a doushebag."

"You guys are holding me back, I'm going to make my own team and fucking own you all"
"Whatever you say JT"
by aCanOfSoda August 15, 2009
 
3.
jts
Joint to self. The art of smoking a joint all to yourself and not passing.
im just gonna blaze a jts
by RAHHHHHHHHH December 02, 2010