An exclamation of enthusiastic agreement which can be used in both a genuine or sarcastic tone. In addition can used to add emphasis to a statement, much like the word fuck can.

Boy Howdy was also the name of an American country music band from the 1990’s. The term has not direct link or reference to them however.

A pubic hair piece. A toupee for the pubic area/genitals. In the 1700’s when mercury was used to treat sexually transmitted diseases (Gonorrhea or Syphilis) one of the side effects was the loss of pubic hair. To disguise this condition, that was not cured by mercury, a Merkin was employed.

Southern slang. An interjection. Often used as an expression of surprise for large quantities of something, or severity of something. See yessum.

General expression/interjection, similar in usage to "wow," "oh, man," or "yep".

cultural references:
-Was the favorite expression of Lee Majors as Heath on "Big Valley"
-Name of mascot for CREEM magazine (not porn, it's a longtime publication for rock music fans).

1. Expression similar to "Oh, gosh".

2. Expression meaning "Oh, gosh, I'm a hick". If you can use "boy howdy" in a sentence with a straight face, you're about as far out of the urban mainstream as I can imagine.

A term that generally makes no sense at all, used to describe a feeling of happiness or enjoyment. Can be used with an exclamation mark for added excitement.