a roll Jack Rice couldn't jump over

a roll Jack Rice couldn't jump over

old-fashioned A particularly large sum of money. A reference to a famous steeplechaser (a horse that jumps over obstacles in a race) by the name of Jack Rice. Primarily heard in Australia. He had been expecting a roll Jack Rice couldn't jump over, so his face fell when I told him he'd only won about $100.
See also: jack, jump, over, rice, roll
Farlex Dictionary of Idioms.

a roll Jack Rice couldn't jump over

a large quantity of money. Australian informal
See also: jack, jump, over, rice, roll
Farlex Partner Idioms Dictionary
See also:
  • a pile Jack Rice couldn't jump over
  • rice
  • a bad quarter of an hour
  • (Well,) I'll be durned!
  • (for) land('s) sake(s) (alive)
  • a bit of crackling
  • a whole team and the dog under the wagon
  • a stuffed shirt
  • a rake's progress
  • fashion