The rat took a nibble and scurried away.

Nibble and gnaw like a mouse!

Here he goes again and again to go nibble something!

You say you had a nibble, it looked to me like you'd polished it off.

The true danger is when liberty is nibbled away, for expedients, and by parts.

Do you ever happen to nibble between meals?

I nibble the small fruit.

Can I have something to nibble on before dinner?