talk one’s head off

talk (one's) head off

To talk endlessly and exhaustingly. I love my Aunt Lily, but she talks her head off whenever I go to visit her. Sorry, I've been talking my head off about my research. I hope I'm not boring you!
See also: head, off, talk

talk one’s head off

tv. to talk endlessly; to argue persuasively or vigorously. I talked my head off trying to convince them.
See also: head, off, talk