Both a noun and a verb.
1.
Fannish absurdity, self importance, gratuitious
grandiosity. Named for the community on journalfen.net.
2. to be the object of said community
1. Few friendships survive a good fandom wank.
2. After
Mary Sue threatened to leave the Harry Potter fandom because her
opus "When Harry met Mary" was laughed at, she was fandom
wanked.