can talk the hind leg off a donkey

can talk the hind leg(s) off a donkey

  (British humorous)
if you say that someone can talk the hind leg off a donkey, you mean that they talk a lot His father could talk the hind leg off a donkey.
See also: can, donkey, hind, leg, off, talk
References in periodicals archive ?
Whereas my husband Lincoln has masses of energy, can't stand still and, like me, can talk the hind leg off a donkey, Duncan is the complete opposite.
HE can talk the hind leg off a donkey and chatty Dermot O'Leary reckons his new job is the closest he's ever going to get to being a big-money signing footballer.
AS Dot Cotton, she's the chain-smoking gossip of EastEnders who can talk the hind leg off a donkey.
Little happens and none of the characters strike any spark, although they compete to see who can talk the hind leg off a donkey.