let one loose

let (someone or something) loose

To make free or give up control of something or someone; to release or discharge something or someone, as from confinement. Due to a lack of evidence, the suspects were let loose by police. Samantha was suspended for letting mice loose throughout the school.
See also: let, loose

let one loose

To pass gas through one's anus; to fart. It smells like someone let one loose in the elevator when I walked in. Gross! Don't go letting one loose at the dinner table like that, Tom!
See also: let, loose, one
Farlex Dictionary of Idioms.
See also:
  • better of
  • be/have done with somebody/something
  • be in line with (someone or something)
  • (someone or something) promises well
  • begin with
  • begin with (someone or something)
  • bird has flown, the
  • beware of
  • beware of (someone or something)
  • be rough on (someone or something)
References in periodicals archive
``They let one loose. It grabbed Benji by the neck in a vice-lock.
GANG SET PITBULLS ON MAN AND DOG; Four held after terrifying ordeal
But I was determined not to let one loose shot spoil my tournament, though I admit I thought I was looking at second place at the time.
Victorious Allan stung into Berlin action