Short for Titty Hard On. When a female's nipple is erect an visible through layers of clothing due to cold, windy conditions

THO Factor: buffalo slang for wind chil
Man, teh THO factor is below zeoo out, I'm freezin
Must be cold out, that girl over there has a major THO
by Tech Geek September 07, 2004

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.

×