bet (someone) a pound to a penny

bet (someone) a pound to a penny

To be convinced that something is very probable or likely (to happen or be the case). Primarily heard in UK. I've been hearing about layoffs and pay cuts for a while now, but I bet you a pound to a penny that none of the executives see a drop in their salaries. I'd bet a pound to a penny this issue was caused by a computer virus someone accidentally downloaded.
See also: bet, penny, pound
Farlex Dictionary of Idioms.

a pound to a penny

it is extremely likely. informal
See also: penny, pound
Farlex Partner Idioms Dictionary
See also:
  • a pound to a penny
  • lay (someone) a pound to a penny
  • wager (someone) a pound to a penny
  • pound to a penny
  • bet on
  • bet on (someone or something)
  • a long shot
  • something of the kind
  • something of the sort
  • something of the/that kind/sort