look up any word, like doxx:
 
1.
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
 
2.
Tumblarity is your popularity Tumblr.

Tumblr + Popularity = Tumblarity
TUMBLARITY IS FUCKED UP.
by FUCKYEAHVANTOOREN January 02, 2010