a girl or guy who has an S.T.D or S.T.I. meaning: dont have intercorse with her.
She's hot but she's red flagged.
by morphine lips June 26, 2006

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Top Definition
Verb: The state of a book or magazine after someone brings it into the bathroom with them, generally when dropping a deuce.
Dude, don't put that gun magazine back on my desk, you just red flagged it.
by Captain ASDF December 18, 2008

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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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A married Person. Off limits
Eliana: He was really nice, and really hot, but he was red flagged.
by Brown Eyed Girl May 29, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt