It can mean pretty much anything "wow!" could mean. Usually utilized in the Southern US as an INTERJECTION, an exclamation of agreement; but also as surprise at the large quantity of something or severity of something.
Example:
Person #1: "Did that tornado swing by yer place last night?"
Person #2 : "Boy, howdy!"
"Good morning y'all!"
"Patojo" is a term used in Guatemala to refer to a young boy or a child. It is a colloquial expression with different variations in meaning depending on the context in which it is used.
"El wey" is a Mexican slang term that is used to refer to someone in a casual or informal way, similar to "dude" or "guy" in English. It can also be used as an expression of surprise or emphasis.
"Howdy" is a friendly informal greeting commonly used in Southern regions of the United States. It is a shortened form of "How do you do?" and is a way to say hello or hi.
The expression iiiiiiii over oo is not a standard mathematical notation. It is unclear what operation or relationship is intended by this expression.
Boy Howdy was created in 1990.
Since Howdy Doody didn't eat there was no worry about his doodie.
Jeffrey Steele
Hostile verbal expression.
Attaboy is an expression of admiration or encouragement to either a boy or a man.
Howdy hlufa.
brutus showed him what for. boy howdy!
Country expression of excitement, similar to yippee!, oh boy!, hurray!
howdy partner
Yes! and boy howdy is it fun!You can also die trying it.
It doesn't "mean" anything. It's just an expression of excitement.
Howdy Doody was a famous puppet on a television show. If you call someone Howdy Doody, you are basically implying that they look like him. Howdy doody was an unattractive ginger puppet who was covered in freckles and made to be the joke of the show. It was most popular among children. Howdy Doody was the poster child for ginger kids back in the 40's