Definition of foul mouth in English:

foul mouth

noun

  • A tendency to use bad language.

    ‘he had a foul mouth and an even fouler disposition’
    • ‘Turns out I'm not just watching my nephew, but at least a dozen other kids, all of whom have foul mouths and smell like they hadn't had a diaper change in months.’
    • ‘Admittedly, there have been times when I have attempted to curb my foul mouth in the hopes of becoming a newer, nicer me.’
    • ‘Some of the people that I know at Church have more foul mouths than non-members.’
    • ‘She's got a foul mouth and is quick to throw insults at those who dare to not be like her.’
    • ‘The amusing thing about the nicest man in television is that he's actually got a foul mouth.’
    • ‘I rather thought you were suggesting that garbage collectors have foul mouths.’
    • ‘Hank is corrupt and hyper-aggressive with a foul mouth and a temper to match.’
    • ‘When riled, her foul mouth added little to the joys of the workplace.’
    • ‘The principal theory is that he just can't help it; he was apparently taught how to speak by a retired truck driver with a foul mouth and an ingrained hatred of all authority figures.’
    • ‘Every time his foul mouth lets out a stream of insults, we hear lurking in the background that terrible word (or should I say, the 41 times he said it) that cost him his credibility on the witness stand.’
    • ‘Why do you have such a foul mouth for such a pretty girl?’
    • ‘Eventually, however, the hype had to subside and the staffers had to let their feet do the talking instead of their foul mouths.’
    • ‘I am constantly in a state of deep embarrassment because of my foul mouth.’
    • ‘As swear-masters go I am a sergeant major, but this was super league foul mouth skill.’
    • ‘Those with foul mouths are the true da Vincis of our day.’
    • ‘Trouble is, the guy who owns him is a quiet, conservative type, and this bird's foul mouth is driving him crazy.’
    • ‘However, the Chicago native is not just another shock-jock with a foul mouth.’
    • ‘As one might suspect from my foul mouth, love of rock, and generally naughty/nasty attitude, I'm a simple girl with simple fashion needs.’
    • ‘Who can forget his stout play in the face of the most disgusting treatment from the hands and foul mouths of the watching Americans at Brookline in 1999?’
    • ‘I'm really sorry for my foul mouth but my alarm clock was wrong and I'm late for class.’