Meanings
- Internetslanglifestylethe fans of the American online animated series RWBY.
Origin
From fandom. The spelling in capital letters is based on the characters' practice of using the first letters of their names for their teams, like "RWBY" and "JNPR".
Full word history & related roots →Cite this entry
FNDM. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/FNDM
“FNDM.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/FNDM. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “FNDM,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/FNDM.
Source: FNDM on Wiktionary, CC BY-SA 4.0.