Tubehound 

One who avidly seeks out internet hilarity and frequently shares said hilarity with everyone.

Keith: Have you seen that video? That was crazy!
Tim: No, but Kate probably has.
Keith: Yeah, she's the one who sent it to me.
--
Also: This total tubehound sent me five hilarious videos today.
--

Tubehound by Kate Rose and Tim Lee December 19, 2008

TheHoundDogger 

Discord user who lost it all and ruined his server after giving TheUnknownDogger ownership

TheUnknownDogger: TheHoundDogger is dead 🦀
Everyone else: Bruh, he just ruined our server by giving TheUnknownDogger ownership

TheHoundDogger by TheUnknownDogger October 9, 2020

tunahound

A single lesbian on the prowl. A dike in need of companionship, on the hunt for cunt.

Angela was disappointed to find the bar was full of old tunahounds on her bachelorette evening.

tunahound by C.Lit January 1, 2012

Tubehunter 

in the game CoD when someone on the opposite team to you noobtubes you, then you change teams and team kill them.

"hey tuber, are you ready to be tubehunted" the Tubehunter says this

Tubehunter by the Tubehunter February 3, 2012