hey /heɪ/exclamation 7noun 1verb 1forms 3 exclamation7 •(informal) a call asking someone to notice you or listen to youHey, look at this!Hey! Listen! •(informal) An informal greeting, similar to hi.Hey! How's it going? •(informal) A protest or reprimand.Hey! Stop that! •(informal) An expression of surprise.Hey! This is new! •(informal) Used as a tag question, to emphasise what goes before or to request that the listener express an opinion about what has been said."Who 's a cur - now - hey?" — 1900 •(informal) A request for repetition or explanation; an expression of confusion.Hey? How's that? •(informal) A meaningless beat marker or extra, filler syllable in song lyrics.The chorus is "nana na na, nana na na hey hey hey, goodbye". noun1 •A choreographic figure in which three or more dancers weave between one another, passing by left and right shoulder alternately. verb1 •To greet with a "hey" formsheyed · heying · heys