The phrase "runs off the mouth" is used to describe someone who speaks too much or without thinking. The spelling follows standard English spelling rules. "Runs" is spelled as /rʌnz/ in IPA phonetic transcription, with the vowel sound represented by the symbol ʌ. "Off" is spelled as /ɒf/ in IPA, with the vowel sound represented by the symbol ɒ. "The" is spelled as /ði/, pronounced with a voiced dental fricative represented by the symbol ð. And "mouth" is spelled as /maʊθ/ in IPA, with the vowel sound represented by the symbol aʊ.
"Runs off the mouth" is a colloquial expression that is used to describe someone who speaks excessively, often without thinking first or considering the consequences of their words. This idiom suggests a lack of control over one's speech, where the individual tends to blurt out words or opinions without much restraint or consideration for the impact they might have on others.
When someone "runs off the mouth," they often talk in a rapid, unfiltered manner, possibly sharing personal information or making exaggerated claims. Their verbal output may be characterized by a lack of tact or sensitivity, as they may speak without regard for the potential offense or harm caused to others. This behavior is typically associated with impulsivity and a lack of self-awareness.
Furthermore, the phrase can also imply that the person tends to ramble or talk at length without any specific purpose or goal in mind. Their words may lack coherence or direction, leaving the listener confused or disinterested.
Overall, "running off the mouth" refers to a person's tendency to talk excessively, thoughtlessly, and often without a clear objective. It highlights a lack of control over one's speech and a potential disregard for the impact of their words on others.