1) An idea formed by deducing.

2) Subtraction.
1) I made the deduction that somebody had stolen my goldfish for revenge after putting the clues all together.

2) The ten-point deduction in round two really stomped out his internal fire; he just played the rest of the rounds out after that and took the loss.
by Diggity Monkeez March 12, 2005

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Top Definition
A physical or personal/social characteristic which necessitates a loss of points on the physical/social attractiveness scale (as figure skaters receive deductions for errors in their routines)
Super butt and danced it off, but talked about herself all night and hasn't brushed her teeth in a week--major deductions.
by Dr. Foo February 20, 2009

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