Smurf, n.: being referred to as a smurf is probably not going to make your day unless you’ve previously adopted the label yourself in a spirit of irony. Compare: old fart. (Dictionary.com)
From Wikipedia: The smurf attack, named after its exploit program, is a denial-of-service attack which uses spoofed broadcast ping messages to flood a target system.
And a quote: «This term should not be confused with an act of war waged by Smurf cartoon characters.» Until today I was totally unaware that Smurfs waged wars. You live and learn. At any rate, you live.