Top Definition
When you do a girl anal and you get that shit thats green on your dick and you cockslap her in the face with it.
Guy1:I grass stained my girl last night
Guy2:lols
Guy1:I broke up with her afterwards
Guy2:why?
Guy1:she liked it.
by diarrheaman April 12, 2011

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After having sex with a girl with ghonnorrea, she leaves green marks on ur bed, or other place of sexual activity..eg ironing board
Shit girl, u left grass stains on my ironing board...
by Pep Sabadman August 19, 2008

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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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1. The level above a pot head or stoner. One who smokes unhuman, almost extraterrestrial amounts of marijuana.

2. A way to explain one's state of mind when extremely high.
1. Yo Fred you're a straight up grass stain.

2. I'm so grass stained right now I feel like I have to mow my hair.
by C-Noe April 08, 2009

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

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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ejaculation on the pubic hair of a woman
"that shieet be so tizzight, i had to leave the girl a grass stain."
by miguelacutty May 22, 2007

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