run riot

Related to run riot: riotous, rioter

run riot

To act in a chaotic manner. As soon as the alarm went off, everyone in the room ran riot.
See also: riot, run
Farlex Dictionary of Idioms.

run riot

 and run wild
Fig. to get out of control. The dandelions have run riot in our lawn. The children ran wild at the birthday party and had to be taken home.
See also: riot, run
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

run riot

COMMON
1. If someone runs riot, they behave badly, sometimes violently, and in a way that is not controlled. My older sister Mandy had run riot so my parents were far stricter with me. In these neighbourhoods, gangs are allowed to run riot, terrorising the innocent while the police stay safely away.
2. If something such as imagination or speculation runs riot, it expresses itself or spreads in an uncontrolled way. My imagination ran riot, visualising late nights and weekend parties. We have no proof and when there is no proof, rumour runs riot. Note: In hunting, if the hounds run riot, they follow the scents of other animals rather than the one they are supposed to be chasing.
See also: riot, run
Collins COBUILD Idioms Dictionary, 3rd ed.

run riot

1 behave in a violent and unrestrained way. 2 (of a mental faculty or emotion) function or be expressed without restraint. 3 proliferate or spread uncontrollably.
See also: riot, run
Farlex Partner Idioms Dictionary

run ˈriot

get out of control: They allow their children to run riot — it’s not surprising that the house is always in such a mess. His imagination ran riot as he thought what he would do if he won the money.
See also: riot, run
Farlex Partner Idioms Dictionary

run riot, to

To act without restraint or control; to overrun, to grow unrestrainedly. The earliest use of this term dates from the early sixteenth century and appears in a book on farming, John Fitzherbert’s The Boke of Husbandry (1523): “Breake thy tenure, and ren ryot at large.” It is the primary meaning of riot—unruliness and disorder—that was being transferred here and has been so used ever since. “Ye suffer your Tongues to run ryot,” wrote Bishop Joseph Hall (Works, 1656).
See also: run
The Dictionary of Clichés by Christine Ammer
See also:
  • run riot, to
  • read the riot act, to
  • reading
  • on one's
  • on someone's
  • (I've) got to run
  • (one) has to run along
  • out of one's
  • (I've) got to go
  • save someone's skin
References in periodicals archive
Mr Tate, 51, said: "These kids just run riot around here.
'And with the pressure off Bernard Laporte and the players having won the opening two games, we could run riot against Wales.
Like several other contemporary panel shows, such as QI, Have I Got News for You and Never Mind the Buzzcocks, this programme often heads into surreal territory as the competitors allow their imaginations to run riot. Jimmy Carr tries his best to keep team captains Sean Lock and Dave Spikey under control, but that's easier said than done as they are both outstanding comedians.
I prefer them in containers because they can run riot in beds and borders, self-seeding everywhere if the soil is rich and smothering all around them.
Children can let their imaginations run riot at storytelling sessions in Middlesbrough Libraries during February half-term.
Jim McAuslan, general secretary of the British Airline Pilots' Association, said officials were taking bits of information and ``letting their imaginations run riot''.
Colchester scored twice in the first half through McLeash and Stockwell as they threatened to run riot.
"Tiger could run riot at St Andrews," reckons Brown.
Alex Ferguson walks out into the Nou Camp and finds a shrubbery positioned on the wing where Fergie was hoping that David Beckham would run riot. To hell with the Green Party, there's a European Cup to be won.
Kyle Lafferty hits a hat-trick as Gers run riot to seal the title with Jelavic and Naismith also on target.
After seeing his side run riot at Ashton Gate, Jones said: "The draw produced a real buzz.
Jim McAuslan,general secretary of the British Airline Pilots' Association (Balpa), said officials were taking bits of information and ``letting their imaginations run riot''.
Strikes from captain Ian Cox and Mark Stein put Bournemouth in control within 29 minutes as they threatened to run riot at a sunbaked Dean Court.
Abergavenny magistrates were told Lichottka had run riot in his quiet home town of Chepstow, despite signing a good behaviour contract.
It's not just the case that kids run riot, they can be boisterous and unruly wherever you go, no matter what you do.