Hey definition

Etymology

Probably a natural expression, as may be inferred from its presence with similar meaning in many unrelated languages: for example, Burmese , Finnish and Mandarin Chinese , and various sound-alikes as Roman eho, Greek εἴα (eia), Latin eia, Dutch he, German hei.

Interjection

An exclamation to get attention.

Hey, look at this!
A protest or reprimand.

Hey! Stop that!
An expression of surprise.

Hey! This is new!
An informal greeting, similar to hi (used in the US, Australia and Canada).

Hey! How's it going?
A request for repetition or explanation; an expression of confusion (see also eh).

Hey? How's that?
A meaningless beat marker or extra, filler syllable in musical lyrics.

The chorus is "nana na na, nana na na hey hey hey, good bye"

Noun

A choreographic figure in which the dancers weave between one another.