Top Definition
To become obsessed with Youtube. When logging in becomes an hourly habit, and you find yourself sub-for-sub'ing in order to maximize your online popularity. When you actually make another account to upvote all of your video's ratings, or when you constantly check every 2 minutes to see if your comments have been upvoted or downvoted.

Usually tubescessers are former Myspacer's/Facebooker's that are looking for a new outlet to increase their online social status.
Gerald: Hey want to go play catch in the park?
Billy: *sets UToob to homepage* AHA! Now I can increase my productivity on Youtube!
Gerald: Billy, I think you've become tubescessed.
by bananabis46 July 16, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt