talk the hind leg(s) off a donkey
US /tɔk ðə haɪnd lɛɡ(z) ɔf ə ˈdɑŋki/
UK /tɔk ðə haɪnd lɛɡ(z) ɔf ə ˈdɑŋki/
1.
to talk a lot, especially to the point of exhausting or boring others
:
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She could talk the hind leg off a donkey about her travels.
•
My aunt can really talk the hind legs off a donkey when she gets started.