trust someone as far as one could throw him, not to/I wouldn't

trust someone as far as one could throw him, not to/I wouldn't

An indication of profound mistrust. This hyperbolic metaphor dates from about 1870 and presumably alludes to an individual too heavy to pick up and toss (in other words, not a small child).
See also: could, far, not, one, someone, throw, trust
The Dictionary of Clichés by Christine Ammer
See also:
  • tree hugger
  • a back number
  • back number
  • be pushing up (the) daisies
  • be pushing up daisies
  • be pushing up the daisies
  • chips are down, the
  • binge-watch
  • crab mentality
  • smoke the peace pipe (with someone)