new man
1. A version of one's self that is completely refreshed and/or in better health and spirits, especially after an exhausting or debilitating experience. Almost always used in the phrase "feel like a new man/woman." After he had some time to recover from the surgery, he felt like a new man.
2. A man who shares household and child-rearing responsibilities equally with his wife. Often capitalized. Primarily heard in UK, Australia. Jacob is definitely a New Man. He's always helping his wife around the house and taking care of the kids.