Meaning "To get out of hand" is a very commonly used idiom in American English It is used to describe a situation that cannot be controlled In the first example, the party goers areOut of hand definition at Dictionarycom, a free online dictionary with pronunciation, synonyms and translation Look it up now!The "hand" is a symbol of the control that one wants to have over something When "it" gets "out of hand," one loses that control Imagine, for example, losing hold of a horse's reigns English Idioms Launch Set Two Out of hand meaning and examples