Husbando is fan slang for a fictional male character a fan holds in special affection, jokingly framed as a spouse. It is the counterpart to waifu, formed from "husband" by the same route through Japanese pronunciation.
Husbando is the mirror coinage, minted by the same fandom process as waifu: an English word, husband, filtered through Japanese pronunciation and reimported as slang. It names the male character a fan holds in special, jokingly marital affection, and it functions in polls, lists, and seasonal contests exactly as its counterpart does.
The symmetry is worth noting because it was not automatic. Fan vocabulary for female characters developed earlier and faster in the male-dominated spaces where this slang formed, and husbando spread as those spaces diversified and as a generation of fans simply applied the joke evenly. Both words now run on irony and genuine attachment in the same proportion.
This entry exists so the pair is complete and equally defined. The site's rule covers both words identically: defined in the glossary, never applied to characters in content, and never aimed at readers. A character's story, role, and record are what quizzes ask about, in vocabulary anyone can read without a slang dictionary open. The seasonal chart culture runs both lists in parallel now, and convention polls for favourite husbando draw crowds as large as any character ranking in the fandom.
In use"Her husbando, by her own long-standing declaration, is the rival: a fact her friends cite whenever he appears on screen."