Top definition
The Roman Numeral for the number "420". 420 - A symbol and connotation for marijuana culture.
Augustus: Hey, you want to CDXX after dinner?

Tiberius: I would love to! You have the dankest tea in the empire!
by mrZissou420 August 23, 2009
Get the mug
Get a CDXX mug for your guy Rihanna.
buy the domain for your diy site