It is a word commonly used to refer to a friend mostly towards a male, or an expression towards an illogical or horrendous situation, question, sentence, etc., it's use started around the early 20th century originating from the English word brother, used often by African American's slowly turning into 'brer' and 'brah' and now as 'bruh'.
E.g.,

Tommy: My bicycle was stolen so I had to take the subway and arrived late for class.

Charlie: Bruh.
by Great Floppa May 15, 2022
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1. Br- Br-

BRUH!

2. just do what you always do. Fuck around and have fun with it and then you know randomly get serious and then really hungry.
giraffe bruh man.
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A counterpart that isn’t particularly smart. An ignorant black-head of sorts. Eager to learn of foreign culture or others personal deeds. A pestilent clog in space/time. A person who is afraid to hear or say the word “No”
You: Whats up man... can I get some samosas from the deli today?

StoreMan: we don’t have samosas but you can get three pieces of fried chicken, it’s about the same price.

You: (thinking to yourself) what the fox trot!!! “Naw bruh”

No-Bruh
by Chief Lotsadough May 8, 2021
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A stud that is a Lady & a Bruh at the same time. She gets hoes, but yet still loves the LORD. Name founded by Dnas & Young Shorty Doowop from the Bay. Yeeeeeee!
by @iloveallmyfans March 15, 2017
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