let rip

present singular third person lets rip · participle present letting rip

1. informaltransitiveTo unleash, let loose, uncork; to allow (something) to happen or proceed without restraint.

   Ok, it’s all clear. Let ’er rip.

   3 more examples

   When she heard the news, she let rip a tirade heard throughout the office.

   He let rip a fart that emptied the elevator at the next floor.

   Now is the time for a bully trip, So shake her up and let her rip!

   c. 1870, anonymous (lyrics and music), “Mississippi Boat Song”, published by H. De Marsan

2. intransitiveusuallyTo utter or release without restraint.

   Near-synonym: let loose

   2 more examples

   She let rip with a tirade everyone heard.

   She let rip about Mary’s flirting with Lizzie’s boyfriend.

   Synonyms: let loose

3. intransitiveslangTo fart.

   I would also urge you never to let rip within 50 metres of your mother-in-law

   2012, Dougie Brimson, Art of Fart, →ISBN

   Synonyms: let loose, rip ass, badger, blow off, break ass, break wind, bust ass, crepitate