From Longman Dictionary of Contemporary Englishkeep off phrasal verb1 keep something ↔ offPREVENT to prevent something from touching or harming something She held an old piece of cloth over them both to keep the rain off.keep something off something How are we going to keep the flies off this food?2 keep your hands off somebody/something used to tell someone not to touch someone or something Keep your hands off me!3 keep (somebody) off something to not eat, drink, or take something that is bad for you, or to stop someone else from eating, drinking, or taking it Keep off fatty foods. a programme aimed at keeping teenagers off drugs4 keep off something especially British English to avoid talking about a particular subject, especially so that you do not upset someone SYN avoid, stay off5 keep something ↔ off if you keep weight off, you do not get heavier again after you have lost weight6 NOT DO something British English if rain keeps off, it does not fall → keep→ See Verb table
Examples from the Corpus
keep your hands off somebody/something• The government should keep its hands off content.• Couldn't keep our hands off each other.• They had been unable to keep their hands off each other.• But today with his mind too preoccupied to work he seemed quite unable to keep his hands off it.• And keep your hands off Maria.• They should stay out where they belong - keep their hands off our people.• I could not keep my hands off them. 