Top definition
A big smile that shows you're satisfied, excited, or just really happy. Named for that big smile on your face when you're opening up your presents on Christmas morning and you actually get (or think you're getting) what you really wanted.
Person 1: What's with the Christmas smile? Did you just get some?
Person 2: ;) wouldn't you like to know?
by twilight shimmer March 23, 2007
Mug icon

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