a girl from an japanese cartoon(ANIME) that people consider to be their wifes but they aren't real
by sjcvshyc August 17, 2017
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either a teenager or just some 30 year old (astolfo can be a waifu if you want)
"Waifus decreased my laifu"
by TheManWhoHasNoIdea October 28, 2021
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A hentai lovers imaginary wife. Either has mental issues or is weird and has no connection with there father
Hey do you know that fucking loser who had a waifu.
by Joe_Bidenn November 20, 2021
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Otaku word to say "wife". Many believe that only one waifu is allowed, which is true except for muslims who can marry four. Muslims are alphas and you can't do any shit about it.
Otaku: I'm just a poor boy and nobody loves me
Freddy Mercury: He's ju-
Waifus: Let us introduce ourselves
by JustSith April 20, 2019
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1. The Japanese version of the English word "Wife".

2. A female character from an anime that one might find attractive in many ways, if that's physical characteristics, emotions, and personalities, etc.
Hey, my waifu is much better than yours! I mean, who actually likes Rem? (Not saying that Rem is a bad waifu.)
by Liminal Tub February 13, 2021
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Best girl in anime who puts all other female characters to shame. If she were real you would do whatever it took to make her your bride

See: "Froppy" from My Hero Academia
"I want to make her my Waifu! If only she were real..."
by fatjohnson2023 March 10, 2023
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A waifu is someone from an anime or manga that you wish to have sexual intercourse with or date.
A Waifu with a knifefu will end your laifu...
by Yurio_best_boi April 9, 2021
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