Sex Vibes Share definition Flag Having the feeling or idea that somebody you barely know is exceptionally good in bed without having previous knowledge or expirence of having sex with said person. "When I first met Kaleb, he was throwing off major sex vibes!" Sex Vibes by KHunny January 26, 2019 0 0 Get merch Get the Sex Vibes mug. Buy Now — $32.95 See more merch