Define Shit In Your Cereal Meaning

When everyone is attempting to ruin your day before breakfast.

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.

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.