Talk the hind leg(s) off a donkey spoken language verb phrase
Used to indicate talking for a very long time.
Would you stop talking the hind legs off a donkey? You keep talking for an hour.
Please let me be and stop talking the hind legs off a donkey.
Though they are a twin, they have different personalities. One always keeps silent while the other always talks the hind legs off a donkey.
Do you know that you have been talking the hind legs off a donkey for haft an hour? Can you just keep quiet for a little while?
It's mostly used in the present tense.