a way out
A person who talks your ear off about everything and anything, no matter how boring or irrelevant. They won't stop until you're begging for mercy.
That guy talked your ear off about everything and anything, even the weather. He wouldn't stop until you begged for mercy.
She talked your ear off about everything and anything, even her cat's diet. She wouldn't stop until you were begging for mercy.
That person talked your ear off about everything and anything, even how to tie your shoes. They wouldn't stop until you begged for mercy.