If you really had typed '0' in the Urban Dictionary, this is possibly your IQ.
Or maybe number of interesting things you can do right now.
If you are THAT bored, please, get yourself some job instead of typing 0 in the UD.
The amount of brain cells that a 'crypto bro' or 'NFT investor' has.
"Hey did you see Antonio with his $450,000 Bitcoin wallet?"
"Yeah, it's already depreciated to $1.12. He is the definition of 0."
The sex position in which someone sucks their own genitals, typically someone of the male sex.
I prefer a 0 over a 69.
Did you know I can 0?