donnerd
/ˈdɑnərd/ (DON-ərd)
Definitions
1. noun
A person who attends comic-cons, anime conventions, or other events for fans of science fiction, fantasy, or related subcultures, often characterized by an interest in gaming, cosplay, and other aspects of geek culture.
“My friend is such a donnerd, he spends every weekend at the comic-con.”
2. verb
To attend or participate in events or communities for fans of science fiction, fantasy, or related subcultures.
“He donnerds every year at the annual comic-con in LA.”