Top Definition
When, during anal sex, your partner fecallates all over your penis, and the rush to pull out subsequently results in said feces spewing all over your chest and onto your partners back.
Dude, I am NEVER having sex with Mike again.

Why?

He Sam Brownbacked all over me the last time, and I almost threw up.
by Freedom4None February 11, 2015

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A homoerotic act between two men where one man places his own fecal matter in his mouth and inserts the fecal matter into his partners anus using his tounge.
That Sam Brownback video made Two Girls and a Cup look like Saturday Morning Cartoons.
by Billy the Retard February 11, 2015

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

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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Noun. The act where a man ejacualtes a tanned-colored fluid onto another man's woolly back after the penetration of an unsanitary anus.
I watched as he got dressed only to notice the stain on the back of his white t-shirt and remembered that I had just made a Sam Brownback with him.
by ToadsMcGoads February 11, 2015

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.

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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).

Buy the t-shirt
Eight bear gays stuffed in a Ford Mustang, smelling each others' fingers while going to an antique shop.
We took a sam brownback and let me tell you, the journey was better than the destination.
by trzz333 November 21, 2013

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