She can talk the hind leg off a donkey when she gets started.
talk the hind leg(s) off a donkey
Frequency:
60
%
I could talk the hind leg off a donkey about my travels.
talk the hind leg(s) off a donkey
Frequency:
45
%
He can talk the hind leg off a donkey about his favorite hobby.
Idiomatic Expressions for talk the hind leg(s) off a donkey
Phrase: talk the hind leg(s) off a donkey
Meaning: to talk excessively or at great length about something
Usage: She can talk the hind leg off a donkey when she gets started on her favorite topic.