a sub-woofer!!!
Your dog, because it'll stop barking once you let it in.
Stick? BARK!
Sub humans.
He thought they had delivery service.
Your dad doesn't watch when I ride my bike.
A: If one bit you, you could ride it to the hospital.
Because he found it to be SUB-standard.
The umbrella can be shut up.
A sub-woofer! Thank you, I'll be here all day.