A variation of the word 'boy', which is commonly (and recently) referenced in the game Red Dead Redemption 2, with the main protagonist Arthur pronouncing it in a very distinct accent. Say it out loud for the best results.
1. Where's my muneh, boah?!
2. You’re alright, boah.
It's like a Jooze or a Four Loco - an energy drink mixed with bottom of the barrel malt liquor. It's fun at first, but then you either just get exhausted and pass out with your shoes on, resulting in a massive number of genitalia doodles on your face, or you blackout almost immediately and end up having one of the craziest nights of your life.
Tom: I opted for a couple Boians last night instead of the Keystone...boy was that a bad choice. I ended up in a stable with my pants off.
Alex: After drinking all that Boian yesterday, I ended up on a 4 mile walk home and tried to invite these waitresses at a diner to a 4th of July Party. Boy, was that was embarrassing.