pull the other leg (it's got bells on)!

pull the other leg (it's got bells on)!

You're joking; I don't believe you. Used to express that one finds what has been said to be incredible, unlikely, or laughable. Primarily heard in UK. You, the descendant of a king? Pull the other leg, mate! A: "I think the country would be way better off if we just abolished taxes altogether." B: "Yeah, OK, pull the other leg, it's got bells on!"
See also: bell, leg, other, pull
Farlex Dictionary of Idioms.
See also:
  • pull the other one
  • Pull the other one(, it's got bells on)!
  • (all) joking apart
  • joking apart/aside
  • YMBJ
  • aside
  • heard (of) such a thing
  • thanks be to God
  • you're joking
  • apart