fo is a meme spun from a now missing Arfcom poster named Shaunofthedead (SOTD)
In his final posting, he was debating going to meet up with some people for multiple partner extra marital activities
his last words posted were "F it, i am foing"
fo is a misspelling of go...
Shaun is legendary enough to be mentioned in the urban dictionary:
http://www.urbandictionary.com/define.php?term=Arfcom&defid=4108494There are various theories as to whose Troll account SOTD was
the original cannon art work is from the AC/DC album
for those about to rock...
The fleshlight in the barrel was just an obvious visual pun
and now you know,
the rest of the story