Top Definition
one who is a master at flex ones ass muscles!
How you doing ass master flex
yo dude im flexin ma arse yo!
shizzle ma nizzle ass master
by amander March 30, 2005

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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

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

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