a crapella
When someone blasts music through their headphones and yells along like they're the next big star, but their voice is so bad it sounds like a goat was tortured.
My neighbor thinks she's Taylor Swift. She sings so loud I can hear her in the next town.
He turned his volume up to 100 and started belting out 'Bohemian Rhapsody' like it was a life-or-death situation.
At the gym, a guy sang along to his playlist so badly, the weights started crying.