1 definition by Allivictoria

Top Definition
A number on the tumblr Dashboard indicating how popular or un-popular you are. The number increases and decreases due to likes, followers ect.. Makes or breaks an ego as a blogger.
My tumblarity was -5 from yesterday. Someone must have unfollowed me.
by Allivictoria May 13, 2009
Mug icon
Buy a Tumblarity mug!