If your friend cannot stop talking about something because she thinks it is important, you might say she has a bee in her bonnet.

VOA: special.2009.06.28

It is probably clay if it holds together instead of falling apart when you stop pressing.

VOA: special.2009.09.14

Okay, I'll go if you stop saying that, okay? Seriously, dude. It's creepy, man.

VOA: standard.other

But if a medication can block the capsaicin-like molecule from reaching the neuron, it could stop the brain from ever registering there was any pain to begin with.

VOA: standard.2010.05.04