Definition of "howdy" []

• Used to express a greeting. (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.

• "I have just finished watching S1 of Bones and boy howdy is that a Mary Sue."
• "Not forgetting the 8 seconds it took you to type that comment. ydwoh_niatpac and 12 seconds to read captain howdy's reply."
• "Hey, it's my Nana! harrycaul captain howdy as the mad hatter."