who shit in your cereal

something u say to someone when their in a bad mood. Kinda like saying did u wake up on the wrong side of the bed.
by bigrich September 20, 2003
mugGet the who shit in your cerealmug.
This is an insult used when someone is really pissing you off, but you don't have the energy nor will to smack then as hard as you possibly can. It's basically a curse, and when used against christians pretty effective.
Shithead: lolol. lykehf l.ykmu gt pnnned lyk loll wtff.
ME: May god shit in your cereal.
by xorobyngrace December 21, 2007
mugGet the may god shit in your cerealmug.

who shit in your cereal

also known as "who pooped in your cereal," the word means you have a quick mood change or act angry for little to no reason. the word see's the most use in the roblox community.
A: "hey"

B: "shut the fuck up with yo ugly ass"

A: "dang who shit in your cereal?"
mugGet the who shit in your cerealmug.

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