A longer version of saying bro but it's to your bro family
Guy 1: broscahski look at that girl over there
Guy2: BRUHHHHH she's so pretty
Guy 1: broscahski.. Damn
It's like using bro but your a higher level of intelligence
Guy1: broscahski I don't think I can do this test
Guy 2: broscahski I don't think I can either
Guy 1+2: we gon fail bruhvvs!!