smile from ear to ear

bend someone's ear

To bore; to talk too long, especially to one particular person.

crack a smile

To smile, especially while attempting not to.

ear to the ground

The practice or characteristic of carefully gathering information; a state or mindset of attentiveness.

ear tunnel

A round piece of jewelry with a hole in the middle, which fits into a stretched earlobe.

flea in one's ear

A stinging rebuke or rebuff.

give ear

To listen: to devote one's attention to an auditory event.

go in one ear and out the other

To be heard but not attended to, when a person fails to pay attention.

have a word in someone's ear

To speak to someone in private.