To stick your head out of a moving train window, and wave outrageous arm gestures... Signifies a large loco on the front.
Truth Addict bellowed at the extremely large goyle on the front of his train...
by Broomster June 27, 2003

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Top Definition
A loud burst of masculinity that defines you as a person and a man. All hail the bellow, for the thunder it creates makes all beings quiver with love and fear. The bellow expresses life, nothing would exist without it. It is said that the world was spoken into existance by god; he grabbed his belt, thrust his head back and bellowed with all his might. The bellow is a greeting, an expression of complete and total ownage and is completely receivable by all.
(Thrusting with belt-in-hand, shouting will the deepest voice you can muster) BEEEEELLLLLLLLLLLLLLOOOOOWWWW!!!

Or, bellow!, how are you today

PWN!, Beeeeeeellllloooowww!!!
by Tyrone James Johnson Jr. October 25, 2006

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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the noise an angry viking warrior makes; also the way lumberjacks speak
The viking warrior bellowed at his army to attack.
by Kaity Renn August 24, 2008

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.

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