live by wits(redirected from live on wits)
live by one's wits
Fig. to survive by being clever. When you're in the kind of business I'm in, you have to live by your wits. John was orphaned at the age of ten and grew up living by his wits.
live by your witsalso live on your wits
to exist by taking advantage of any opportunity you have Kids thrown on the streets with no family to support them have to live by their wits.
live by/on your wits
to earn enough money to live by being clever or cheating people A lot of these kids are thrown out onto the streets and they have to live by their wits.