an abbreviation for "Why Am I Forever Unloved" (at least, in the 3D world)
Weebs turn to waifus to escape reality and find the perfect love of their dreams in the 2D world. They are both the consolation for the loneliness and the reason for the loneliness

A "Waifu" is a Japanese term drawn from "嫁" or "yome" (romanized) meaning "Wife". Many non-Otakus mistake a Waifu for a best girl, however a best girl is a female character you enjoy to watch, however the term "Waifu" has a much more intimate meaning (sometimes being sexual). There are in-fact 2 different types of waifus, or more accurately the otaku themselves, is whether the otaku "Protecc" or "Attacc," the former being someone who protects their waifu from others who wish to lewd them, and their own waifu from their own lewd thoughts for fear of disrespecting their significant other, and the latter being someone who is in a much more sexual relationship, and is willing to lewd or even beat their meat to. Many otakus also own body pillows or posters with their waifu on it.

It is also forbidden to have more than one waifu, otherwise others of their own kind will try to force you to break up with one.

If youre friends with a weeb, you probably hear this phrase often. A waifu can be a human or an anime character. Waifus are usually attractive, and are ones "best girl" . Real life waifus are what weebs call their girlfriends/platonic lovers.

The woman you'll never have.

(fandom slang) A fictional female character from non-live-action visual media (typically an anime, manga or video game) to whom one is attracted and, in some cases, whom one considers a significant other.

Waifus is a plural of waifu.

a man can marry an infinite amount of waifus without any limits to how many he can marry because they are fictional character.

The biggest spice in the whole world, no exceptions. Is really cute and huge asbestos. This is a fact.

Waifu is a word, that is used for a anime girl that you actually want to marry or really like her.