1 definition by hctibjtjtjt

Top Definition
used to be an abbreviation for "your default".

it is usually used to make fun of people, because they look stupid.
alex, yd is very weird.
by hctibjtjtjt April 21, 2009
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.