Tumbloid 

A rather not slim person who has trouble keeping their balance.

Did you see that kid fall down the stairs? What a tumbloid!

Tumbloid by Rodger35 January 14, 2011

Tumblidous 

A condition in which someone can not control their Tumblr use. Very common among teenagers between the ages of 14-23. Common symptoms include large times spent blogging followed procrastination, failing grades, and degrading social lives. Patients have been found wasting there whole weekend blogging instead of going outside and socializing like normal teenagers. There is no cure known for this condition at the time being.

I was concerned about my daughters excessive use of tumblr, so I took her to the doctor and she was diagnosed with tumblidous

Tumblidous by stevosmusic September 5, 2011