Top Definition
1.Ruining something new;spoiling someone's fun

2.Making something good look bad

Part of speech: verb

Other forms:to jizz on the cake,jizzed on the cake

Possessive: jizzing on my/her/his/their cake
Pete:"check out my sweet new ride"
John:"ehh it has some little scratch marks over here"
Pete:"ok so its used"
John" and these rims arent that nice"
Pete:"Stop jizzing on the cake!!!"
by Magicoa October 24, 2009
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