1 definition by wolf316

Top Definition
(n.) a mental disability or disorder that makes you prone to underage girls. It is most common with lads with the first name of Bob.
Its not his fault, Bob suffers from BTD.
by wolf316 October 23, 2007
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.