Top Definition
When a dog wags his or her tail, hence their butt is happy.
I could tell my dog was happy to see me because she had a happy butt.
by happybuttdog January 09, 2011

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When things are going well for you.
An extra little bounce in your step.
A really good mood.
Sally: "You're in a good mood today!"
Dave: "I woke up with a good dose of happy butt!"
by jsd96321 January 12, 2012

The Urban Dictionary Mug

Lotsa space for your liquids.

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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