1 definition by [0SC]Just John

Top Definition
Chuckling silently to myself. Used similarly to lol, but when you're not actually laughing out loud.
Yeah I was cstm when I heard about that.

Cstm Bullshaz, you n00b.
by [0SC]Just John May 03, 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