Top Definition
To add words that are frequently queried in Internet search engines to make your site come up in unrelated searches. The words are often hidden as text the same colour as the background.

Probably from Wired's Jargon Watch.
"I spamdexed the word 'sex' 200 times in the home page"
by Andrew July 02, 2004
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.