Top Definition
an extremely fat chick (can be a guy) who is legally morbidly obese and is fatter than a tricerahorn and bihorn. A really really really fat person
"HOLY MOTHER OF PEARL! THAT BITCH ON TV IS A TYRANAHORN, TO THE MAX!!!"--"Yeah, dude. She covers the entire 60 inch screen."
by The Master Beta January 18, 2006
5 Words related to tyranahorn

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.

×