extremly large, king size penis.
"whoa! hakko you didnt tell me you weilded a meganium!?" - suckyfucker Mclickerson
by Hakko November 21, 2004

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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

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Top Definition
The last evolution of the grass type starter Pokemon in Pokemon Gold/Silver/Crystal/HeartGold/SoulSilver. Evolved from Bayleef, which was evolved from Chikorita. It can revive dead plants back to life with its breath.
Person 1: Hey, what starter Pokemon did you chose in HeartGold?
Person 2: I chose a Chikorita! It's already a Meganium! :D
by LevanJess April 24, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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