Used to attract attention or to express surprise, appreciation, wonder, or pleasure.(interjection)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "hey" in a sentence
"Ah ha, hey, hey� WHITEHEAD: In the 20-some years since then, Wadada Leo Smith has expanded his audience by reviving electric Miles Davis music with guitarist Henry Kaiser."
"For perhaps, that will be sufficient to have these fatties change their eating life style along with keeping the issue in the light by using the phrase "hey fatso" like we use to in this country."
"I think there is a little mistake in the title hey … didn't you guys / TC slam the flip phone in a product review awhile back!!"