Top Definition
A term coined by Otaku and Weeaboo alike for their 2D significant others; predominantly anime and video game characters. A Waifu, in contrast to a harem, is the love between one man and his one and only Waifu. You treat your Waifu with the utmost respect and courtesy and most refuse to even fap to their beloved, seeing the act as an insult to the non-existent woman they have committed themselves to.

A spin-off term "Husbando" followed for Fujioshi who feel similarly towards male characters.
Not even a missing dimension will keep you from your glorious waifu - The Melbourne MX Newspaper
von Chenoan 25. März 2011
Photos & Videos
Weeaboo for "wife". Don't say this word ever, please.
Mai waifu ^___^

^ Faggotry.
von Connor Kelley 17. Juni 2008
A Waifu is the word for an anime character , which is your "Wife". It also can be engrish , meaning pronounce Wife in japanese. The importenst thing in having a Waifu is to never have more than one. If you do so , your laifu is ruined.
I'm in love with my Waifu
My Waifu can't eat , she is 2D
von WaifuStealer 14. Januar 2015
Japanese for "wife". Outside of Japan, it is seldom used by anyone but weeaboos to display their unhealthy attraction for fictional anime characters. See: faggot.
von Siriusd 8. Juli 2010
a waifu is a mexican living in england who likes animated films and abhors all things cute (puppies, kittens, etc)
That waifu was bitchy all day long.
von SomeGirlFromKansas 11. Juli 2013

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