by RadishDog123456789 January 21, 2011
someone who is a stalker on tumblr, one who stalks other tumblr accounts and claims that he/she happened to stumble across a tumblr account accidentally.
friend: why are you always checking out his account?
stumblr: no, i accidentally clicked on his account
friend: what, you clicked on his account for 20 days straight "accidentally" , you're a stumblr
stumblr: no, i accidentally clicked on his account
friend: what, you clicked on his account for 20 days straight "accidentally" , you're a stumblr
by _kickinthedick April 22, 2016