It was weird having anal with her because she had such a grassy ass
by Fucker the duck January 12, 2018
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English way of saying ( mucho gracias ) or thank you very much..
next week try using mexican jetpack !! Si, si senior, mucho gracias..
Hay mucho grassy ass yourself I just like to see you FLY!!!
by itichie_nocanpo October 2, 2006
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A play-on-words of the Spanish phrase "Muchos Gracias".
Another way of saying "your ass is grass".
Person A: Joe is being a real dumbass. And I heard he boinked Alex's girlfriend.

Person B: Woa. That's gonna be Muchos Grassy-Ass.
by OhMyGawth July 11, 2009
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When inserting cannabis into the rectum. This is referred to as having a “Grassy-Ass”
The coast is clear, empty the Grassy-Ass.
by Sk8erblacker August 20, 2019
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