Against morals to go against mooks.
Like: "I swear on my mother," "truly," "seriously," "word".
Originated in CF, RI.
Dre: did you really just buy those kicks after you saw me wearing em a week ago?
Rob: nah man I had em way before you.
Dre: say it !?
Rob: Mooks man.
Dre: Fuck you.
now before we get carried away thinking this word is new, very much not, i'ts said in 100's of classic TV shows and movies, from Stooges to Gleason, in the three Stooges its been used in the same way we use it today, they even went so far as to use it as the names of characters
Chet: Yeah he's always a fucking mook. Fuck him.