Top Definition
A light found on some servers and computer equipment indicating a serious error or "fuck up".
Sysadmin 1: "OHHH SHIT, the fuck light's on on this server!"
Sysadmin 2: "FFFFFFFFFFFFFFFFFuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu....."
by John Walter Smith April 21, 2011

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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