Definition of belt up in English:

belt up

phrasal verb

  • 1[usually in imperative] Be quiet.

    ‘for God's sake, belt up’
    • ‘I think I may have given her a steely glare or told her to belt up.’
    • ‘So maybe we should just belt up and show you the script.’
    • ‘He is the last person in the world to ever contemplate telling the President to belt up!’
    • ‘Somebody should have told him to belt up.’
    • ‘She complained about it being a bit painful but as true caring parents, we told her to belt up and get to bed.’
    be quiet, quieten down, be silent, fall silent, hush, stop talking, hold your tongue, keep your lips sealed
    shut up, shut your face, shut your mouth, shut your trap, button your lip, pipe down, cut the cackle, put a sock in it, give it a rest
    shut your gob, wrap it up, wrap up
    save it, can it
    View synonyms
  • 2Put on a seat belt.

    ‘all youngsters will have to belt up in cars, vans, and lorries’
    • ‘A family touched by tragedy are backing an Essex Police campaign to urge car users to belt up.’
    • ‘But while the vast majority belt up, many motorists still let their family dog sit on the back, or even front seat, or lie unrestrained in the boot of their estate car, according to breakdown service Autonational Rescue.’
    • ‘We want people to feel uncomfortable if they have not belted up; wearing a seat belt is part of driving,’ she said.’
    • ‘But when the seatbelt law actually took effect in 1983, there was a sharp rise in the number of people belting up, with 94 per cent obeying the new law.’
    • ‘Since the days when Jimmy Savile exhorted us to ‘clunk, click, every trip - even if it's just around the corner ’, the need to belt up in the car has become ingrained in the British psyche.’
    • ‘Women are also more conscientious when it comes to belting up.’
    • ‘The joint police and council operation to reduce deaths on Bromley's roads came after new research showed one in three people in cars do not belt up.’
    • ‘The commercial is firmly aimed at encouraging young people to be more conscientious about road use and for all persons in the car to belt up for every journey.’
    • ‘He asks drivers to ensure that all passengers and drivers are all belted up especially children on school runs in the car.’
    • ‘Youngsters at 22 schools have taken a leaflet home to their parents, encouraging adults and children to belt up, and another leaflet about how to fit child safety seats.’
    • ‘A mum fined when police spotted one of her children not wearing a seatbelt is urging others to belt up.’
    • ‘More than 55,500 unborn babies could be at risk every year because mums-to-be are not belting up in their cars, fearing it could harm their children, according to new research.’
    • ‘They are more likely to belt up in the back of a car than men, and also more likely to refuse to carry passengers who won't wear their seatbelts.’
    • ‘Wiltshire police have drawn attention to a change in the law covering exemptions from wearing seatbelts, which means drivers will have to belt up if their stops are more than 50 metres apart.’
    • ‘Heather and her husband are backing an Essex Police campaign urging car users to belt up.’
    • ‘They walked to his car in silence, sliding in and belting up in the same way.’
    • ‘The family of a teenager killed in an horrific crash are urging drivers to belt up as police launch a new seatbelt campaign today.’
    • ‘Virtually everyone now belts up as a matter of routine, and road casualties have been slashed as a result.’
    • ‘Ford Dealers of Ireland are supporting the National Safety Council in a new seatbelt campaign aimed at encouraging the 43% of Irish motorists who never wear a seatbelt to belt up.’
    • ‘Despite the introduction 20 years ago of the law obliging front-seat occupants of a vehicle to wear a seatbelt, around 15 per cent of passengers still fail to belt up.’