you don't know where it's been
English
[edit]Pronunciation
[edit]Phrase
[edit]you don't know where it's been
- (colloquial, childish) An object encountered in an unfamiliar place (such as outdoors) could be dirty or contaminated by germs, and should therefore not be handled through bodily contact. Chiefly said to command children not to interact with foreign objects.
- Get that banana peel out of your mouth this instant! You don't know where it's been!