TubeHead 

Somebody who spends waaaaaayyyyy too much of his or her time watching those stupid dumb cat videos (or a glut of ANY videos for that matter) on YouTube is known as a TubeHead.

{Chris}: Damn, Craig sure spends an awful lot of time watching lightning videos on YouTube doesn't he?
{Dan}: Yeah, Craig is a true-blue total TubeHead!

TubeHead by Telephony August 13, 2016

Tubehead 

A foolish or stupid person.

This kid is an absolute tubehead.

Tubehead by Abs2752 May 18, 2016

tubehearer 

Someone who only listens to music by running the accordant music video on youtube with his iPhone or Blackberry, usually without actually watching it.

-Dude, what is that light in your pocket?
-Shhh, I'm listening to Seven Nation Army!
-What a miserable tubehearer you are...

tubehearer by Mad13 October 23, 2009

Tunehead 

Slang for a person who is addicted to synthetic marijuana, short for the name "Tunechi." "Tunhead" is used in the skid row of the United States, such as Elkhart, Indiana.

"Look at that "Tunehead"! ripped out of his mind twitching and screaming on the ground!"

Tunehead by MookieBlaylock11 December 27, 2021