Question

Cost an Arm and a Leg very expensive; high-priced, though possibly not worth the cost

Accepted Answer

It cost him an arm and a leg to go to Hawaii, but Mr. Wong really needed the vacation. This popular mid-20th century American expression gets a lot of use as things get more expensive. Naturally, one's arms and legs are priceless, so what this saying implies is that if something is really expensive, then it's like paying for it with one of your limbs.

Idiom	Cost an Arm and a Leg
Example	It cost him an arm and a leg to go to Hawaii, but Mr. Wong really needed the vacation.
Meaning	very expensive; high-priced, though possibly not worth the cost
Origin	This popular mid-20th century American expression gets a lot of use as things get more expensive. Naturally, one's arms and legs are priceless, so what this saying implies is that if something is really expensive, then it's like paying for it with one of your limbs.

Cost Arm Leg Hawaii Mr Wong Needed Vacation