1 definition by katattack

Top Definition
a substitute phrase for 'are you serious?', whch can be modified in a number of ways, eg 'are you for cereal?' (are you for real?)
Johnny: I just saw Britney Spears walking down the street
Kate: Are you cereal?
by katattack November 13, 2007

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug