Top Definition
An image or post advertising a website, posted on a forum/bulletin board, (in a thread regarding someone's birthday) that links to one's website.
Ethan always posts a post in a birthday thread regarding his website. He's always birthday thread advertising.
by dotLou April 12, 2007
Free Daily Email

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

Emails are sent from We'll never spam you.