1) Cool, in-style, pleasing to look at; awesome
2) A clothing pattern involving crossed lines/colors (usually 3 or more) to form a square pattern
1) Dude, that new bike is totally plaid.
2) Check out my new plaid shirt.
by Etab October 12, 2005
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an incredible pattern created by the scots and irish in ancient times.
i got some plaid chucks because i wanted to show off my irish heritage.
by Aoife December 4, 2005
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1) The color of freedom
2) Can be worn any way and still be bad ass
3) The international flag of masculinity
Gonna wear my plaid shirt 'cause 'MURICA!
by Sheabob May 6, 2013
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A woman who pretends, for social purposes, to be lesbian, but isn't.
She said she'd make out with me, but it didn't go anywhere. She's such a plaid, leading me on like that.
by zogasm October 11, 2008
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A degree of being stoned beyond all other levels of "stonedness."
I'm so crazy stoned I've gone plaid.
by Stoney McStone Stoned February 10, 2004
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A plaid is an article of clothing worn over the left shoulder of a male and worn over the right shoulder of a female and comes from Gaelic ,plaide, "a blanket". Some plaids have a pattern of colours which is correctly referred to as a "tartan". Some plaids worn by the irish have solid colors, one of which is called the "Fringed Fly Plaid" which is saffron in colour, a shade of yellow.

Referring to a tartan, the design on some plaids, as "plaid" is like referring to a checked black and white pattern as a "table cloth" when all table clothes do not necessarily have a checked pattern and checked patterns can appear on skirts, sofas, floor tile and so on!
He's wearing a saffron plaid over his shoulder and is wearing a saffron kilt to match.
by The Only Highlander October 18, 2007
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A person who always follows the rules, laws, and social norms.
He's too plaid for my wild personality.
by Trillion November 9, 2007
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