A pseudonym used on the internet by someone who is posting a bogus comment / forum post / Wikipedia
edit / Urbandictionary
definition, spamming someone just to be annoying, or just generally screwing around.
Pretty much anyone in 4Chan's /b/ forum.
Joe Somebody: So, what do you think of my 30-page love story?
FuckNutz McGee: your mom was a 30 page love story last night hahaha
Joe Somebody: You are a tool