オヤジバンド

Meanings

1

middle-aged band; dad band

usually written using kana alone

A band whose members are mostly middle-aged or older, often amateur. The term carries a casual, sometimes self-deprecating tone.

週しゅう末まつはオヤジバンドの練れん習しゅうがある。
I have dad band practice on the weekend.
あのオヤジバンド、けっこう上手うまいよね。
That middle-aged band is pretty good, isn't it?