definition of
devil-may-care

[1] #1 devil-may-care s. [carefree, freewheeling, happy-go-lucky, harum-scarum, slaphappy] cheerfully irresponsible; "carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth". wn

[2] #2 devil-may-care s. [raffish, rakish] marked by a carefree unconventionality or disreputableness; "a cocktail party given by some...raffish bachelors"- Crary Moore. wn