No search turned up an origin for this phrase but the meaning is usually a person who can endure physical or mental hardship. It is generally a compliment. ( source )

This phrase doesn't have an origin in which it meant something and became what we know it to be today. Apparently the phrase has existed for at least 200 years and was used quite a bit in the 1800s. It's meaning is to stay strong in the face of adversity. ( source )