Top Definition
after 9 PM, you start going loopy and delirious. but only after 9 PM!!!
8 o'clock pm: "dude im so tired."
9 o'clock pm:

"DUDE LET ME PEE IN YO MOUUUFFFF! I TINK I
I'M SUFFERING FROM DA 9 O'CLOCK SYNDROME!!!"
by TATTATATATA August 09, 2008
11 Words related to 9 o'clock syndrome

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