Top Definition
To be full of oneself, haughty. One who thinks they are the best and most important person in the universe. Self absorbed.
That megalomanic SOB thinks hes just it!
by CanadianGunOwner November 16, 2010

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

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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