slang Why not? An aside used to emphasize one's nonchalance toward something. Often used as a euphemism for "what the hell." Sure, I'm not doing anything today, let's go to the beach—what the hey?What the hey, I'll go to the movies with you tonight.See also: hey, what
what the ˈhey!
(American English, spoken) it doesn’t matter; I don’t care: This is probably a bad idea, but what the hey!See also: what