A less offensive variant of the profane word "bitch". Primarily used in good humor to playfully and passive aggressively degrade a friend or family member whilst not coming off as a "bitch" yourself.
Hey bish, thought we had plans today? Well, you could have told me you sloot. Feck yah later, nooby doobie. Love you.
Bish: A word which is a variant of bitch, commonly used by people classified as idiots/degenerates, bish is to say a person is a dog but a male as thus being the official male bitch pronoun.
Wlile bish may sound like a more friendlier version of bitch, do not be mistaken, as this word actually means "a mistake or blunder" in British vernacular. So the next time you say bish, you are actually calling them a mistake.
Some girl: Heyyy bish!!!
British girl: Wtf, did you just call me a mistake?