Top Definition
A fat old man with a mustache and glasses.
Bitkers are usually very grumpy. For anyone who has seen Billy Madison, Old Man Clemons is a decent example of a Bitker. (Old man Clemons is the guy who puts the flaming bag out with his boots.)
by Haverford40 December 01, 2009

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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