Top Definition
The made-up medical term to describe the way a teenage girl always complains about being fat or ugly. Also used as the acronym TGS. Tell a girl it's a medical condition and it's all over with. Trust me
Girl: I'm so fat and ugly. No wonder boys don't like me!
Boy: Well, for one, you're not fat. But you do have chronic and severe TGS.
Girl: TGS?
Boy: Teenage Girl Syndrome.
by Church Of Kaleb July 12, 2005
1 more definition
5 Words related to teenage girl syndrome
Removing/adding vowels and constants from words while typing or SMS messaging. Other symptoms include, the frequently misspelling of words on purpose, and the overuse of acronyms.
Girl: OMG, lol ur so hawt!

Boy: You seem to be suffering from TGS.

Girl: Whutttttttt?

Boy: Teenage Girl Syndrome
by redword1314 February 07, 2010

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