He really knows how to push Dad's buttons

Nick Swisher does not need blaring music to be loud. He doesn’t even need to say much. The décor around his dressing stall and even his haircut speak for him.
He’s a big reason why guys are loosened up around here.”

blare-to make a very loud unpleasant noise

loosen up phr v
to stop worrying and become more relaxed, or to make someone do this
She loosened up after she'd had a drink.
loosen sb⇔up
His welcoming smile helped loosen her up.
if your muscles loosen up, or if something loosens them up, they stop feeling stiff
loosen sth⇔up
A massage will loosen up your joints.

risqué----a joke, remark etc that is risqué is slightly shocking, because it is about sex

buttoned-down ---Conservative
someone who is buttoned-up is not able to express their feelings, especially sexual feelings; reserved

décor ---Decoration

He really knows how to push Dad's buttons.
to make someone angry by doing or saying something that annoys them