Top Definition
1)Always cool or in style
2)Colloquial for Marine Corps Aviaton
3)Always traveling through the air
1) That guy is Semper Fly!
2) I want to go Semper Fly and pilot Harriers!
3) I'm never driving to Wisconsin again! It is Semper Fly for me now.
by NewPhase April 08, 2010

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.

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The Urban Dictionary Mug

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

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

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