Abbreviation for "typical girl syndrome". When one has TGS, they exhibit what the stereotypical girl would do. Usually used to describe something annoying to the rest of the world. Examples include excessive shopping, extreme sensitivity, or obsession with Orlando Bloom. The phrase is sometimes used as "T-G-Fucking-S".
"Dude, my girlfriend bitched at me last night because I didn't notice that her hair had been highlighted! Talk about TGS!"
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