1 definition by TBob

Top Definition
The temperature at which the snot in your nose freezes. Any temperature above this is not considered cold.
Man, its so fucking cold out, I think we reached the snot-freezing index.
by TBob April 19, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.