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3. green giant
A large green or otherwise discolored bowel movement resulting from the consumption of heavily-dyed foods; such as cake frosting or some candies.
"Damn that cake was good!"

"Yeah, but the dark frosting is gonna give me a green giant."
1. green giant
a slang term for marijuana
hey you got any green giant?

Marlow was only able to survive the horrors in the jungle of the congo due to the abundance of the green giant
2. Green Giant
Where a man paints his Penis Green and Hulk Smashes it onto another persons face. Kind of like a mushroom stamp but with green paint and much more force.
Jeff was getting very excited with Mandy, when suddenly he asked to step away for a moment. When he returned his penis was painted green and he approached Mandy with a full run up speed and Hulk smashed his penis onto her cheek. The end result is a Green Giant on her face.
4. Green Giant
The word used to describe a "joke" that was so bad that no one laughs. Bad jokes such as these generally cause about 10 seconds of awkward silence which can be filled by saying the words "Green Giant" in the same way as it is said on the advert for Green Giant sweetcorn.

Originated on a school trip to Berlin in which the worse joke ever told was about a green giant. Another term that describes the same thing is lead e.g. a lead joke.

Tanc: *Tells and awful joke"

*Awkard Silence/Tumbleweed"

Charlie: Green Giant...
5. Green Giant
When a guy paints his insanely long dick green and fucks a girl up the ass
I just gave that chick a green giant
6. green giant
a girl who has her pussy licked out with sweetcorn in it
this bitch is a green giant!
by skin Nov 13, 2003 add a video
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