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.
Gzz man, who shit in your cereal?
by bigrich September 20, 2003
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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 November 20, 2007
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