Tough to follow a guy with the nick like SPAM in a thread asking what SPAM is hehe
but here goes...

"SPAM" imo is possible the most overused/abused word on the internet. It has
become a word that has so many meanings that threads posing the question are
submitted hehe. When I was an ircop/netadmin, Spamming was advertising
websites/channels not affiliated with the particular server you were on. It was a
bannable offense on irc too ;)

Spam is the nickname i was given in primary school

Spam is a pointless message that appears in your inbox, your forum, you letterbox, that
you didnt ask for or want.

Spam is also a type of proccesed meat.

Most people would say that spam is a useless, meaningless post or thread, but a
thread ABOUT spam has a use, so that means its NOT spam right?

http://www.templetons.com/brad/spamterm.html

There.

mmmmm spam....

This, lol...