Top definition
Simply another way of referring to the Marajuana plant. Cannabis Sativa
Guy1: Dude, why are you laughing so much?
Guy2: It's awesome man, this reefer's killin' me!
Guy1: So that's why they call it gigglebush...
by [ jhiaXus ] July 26, 2006
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Aug 10 Word of the Day
Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.
It's nice out and the city is filthy. Let's go plogging!
by Another damn hippie. May 09, 2018
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3
A state of uncontrollable giggling induced by smoking marijuana
When you smoke a lot of marijuana you will often times find yourself stuck in the giggle bush.

"hehehehe i'm stuck in the hehehehe giggle bush hehehe"

or

"ohhh sheeeeet, johnny's stuck in the giggle bush again!"
by Judge Philip Banks February 04, 2010
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4
An unshaven woman, who's bush causes the man to react by letting out a small laugh prior going down on her.
"Dude, I saw Jenny's Giggle Bush last night! It was the shape of a heart!"
by TylerUM October 19, 2018
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