An insult used when someone looks silly or dumb, weather it's appearance or an action.
The hell are you wearing? Damn turtle biscuit.
What did you just do? Turtle Biscuit.
by Phinnus April 23, 2015
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• Someone who is funny and always makes you laugh. Never a dull moment.

• What you call your best friend when they are being silly af and make you laugh too much.
"I cant stand you right now, ur such a turtle biscuit."
by SlangOfASavage May 14, 2020
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