TubeFag 

Someone who flames and insults others on YouTube or Hulu for no reason whatsoever.

Did you see the hatemail herpderp60 sent me?
Yeah, He's such a TubeFag

TubeFag by AntimatterKING July 21, 2009

Tubefag 

An individual on youtube who purposely attacks a video in order to get attention from it's fans and those subscribed to the channel in which the content was uploaded from. In many cases, this starts a a long list of replies, here by caused from the OP's "Troll Bait"

"lol Pewdiepie is an idiot, he fakes all his subscribers and he's a huge retard"

"Great, another tubefag, try getting attention from your mother more"

Tubefag by gifbucket September 2, 2014

Tubeage 

Stereotypically, a term used by surfers. Refers to size of waves on the beach.

"Dude!, the tubeage is rocking today!"

"Ah bummer,they saw tomorrow's tubeage is gonna be suckish."

Tubeage by SellOutBoy May 13, 2009