Chris takes Regan to see a psychiatrist, where she refers to the demon as Captain howdy, who controls Regan's actions.
“howdy everybody,” he said jauntily, and Nancy rose with pleasant greeting for him.
“howdy,” he retorted, with as much amiability as it was possible for him to display.
Cain't yo' say 'howdy' to Mr. Sinclair's darter—an' her a-payin' yo' good money fer rent an' fer team hire.
And he's about the only commercial traveler I would ever say howdy to at those times.
"Say 'howdy' to the gentymuns, Mitchy-Mitch," she urged sweetly, turning him to face Penrod.
"howdy, pards," he said, with an assumption of the cowboy manner.
"howdy, Mr. Mark," the visiting neighbor answered in response to his forcedly cordial greeting.
“howdy, Charlie,” he said, without displaying the least concern.
"howdy, Mr. Brice," said Mr. Hopper, his glance caught by the indefinable in Stephen's costume.
1837, earlier how de (1828), first recorded in Southern U.S. dialect, contraction of how do you do (1630s), phrase inquiring after someone's health; earlier how do ye (1560s).
An exclamation upon greeting: Howdy, pardner, what's up?
[1843+; fr how do you do]