The thing you call someone when they mute you in discord. It means that they drink piss and act like a baby.
"Since I have Ben muted, yall would tell me if he was calling me a piss baby, right?"
The phenomenon where black people who sing have amazing acoustics in there voice (combination of the words "black" and "acoustics")
Damn dude sean kingston has amazing blacoustics in "Beautiful Girls"