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1. noun; slang for male ejaculate

2. noun; a delicious cake mix distributed by Pilsbury
1. Jill: "So, last night Brain sprayed his funfetti all over my titties."
John: "Hot damn."

2. I made my friend funfetti for her birthday.
by Captain Pixie August 12, 2009
Any type of baked good that lists marijuana as an ingredient mixed within the batter prior to being baked. Funfetti could include the popular magic brownies or cookies.
I'm so high off this funfetti.
by BennyandJoon October 18, 2008