Does not mean cereal, or anything even close to it. It does not mean serious, in fact it doesn't even exist, not even in slang. Please learn how to spell, and stop making stuff up, it really is just embarrassing.
by Literate people of the world February 4, 2010
Get the Ceralmug. by bitch chick November 22, 2003
Get the ceralmug. verbAre you serious.
Girl: I saw your girlfriend last night.
Boy: Are you ceral! She told me she was going to be out of town.
Boy: Are you ceral! She told me she was going to be out of town.
by Briznitchhh June 15, 2007
Get the are you ceralmug. by QWERTYAZERTY no good names March 11, 2021
Get the word ceral in a mugmug. 