red-blooded adjective2 •(figurative) Having a healthy vigor and spirit.The carbon tax won acclaim from self-described socialists and red-blooded libertarians, Democratic senators and Republican secretaries of state, Elon Musk and Janet Yellen. — 2021 •(informal, figurative) Having an active sex drive; lustful.As one of my clients put it, 'I love my wife so much I'm so in love with her but we don't have sex, I only have sex three times a year and I'm a red blooded man I can't deal with that'. — 2017