Etymology Fanciful extension of another lexical item, possibly hot dog (interjection) or dig + -ety, an expressive suffix used to extend monosyllabic words. It is unclear whether this word or the whole phrase hot diggety dog came first. Compare African American Vernacular English dig. Attested since the end of the nineteenth century.
“Goddam!” he yelled. “God diggety damn!” and “Whoopee!” and “I'll murder you! I'll murder you both!” and “Goddamn two-bit whore!”1947, William Edward Wilson, Cresent City, page 102:
I love Grubba! He's like the most diggety dang DY-NO-MITE character in his game.2009 March 3, Eclipse-of-42, “Of Glitz and Fury, Ch. 4”, in Deviant Art:
When he sees that ol’ tiger movin’ closer, Brer Rabbit does what Brer Rabbit does best. He grabs a spade and a-diggety-dig-a-diggin’ he goes, as fast as all get out.1998, Nancy Van Laan, With a Whoop and a Holler: A Bushel of Lore from Way Down South, page 34:
Dig and dig and dig and diggety / Dig and dig and dig and diggety-dig1995, “Mine, Mine, Mine”, in Stephen Schwartz (lyrics), Alan Menken (music), Pocahontas (soundtrack), performed by David Ogden Stiers and Mel Gibson:
diggety
intj
Etymology Fanciful extension of another lexical item, possibly hot dog (interjection) or dig + -ety, an expressive suffix used to extend monosyllabic words. It is unclear whether this word or the whole phrase hot diggety dog came first. Compare African American Vernacular English dig. Attested since the end of the nineteenth century.
1
Informal Used to express excitement, surprise, or similar strong emotion.
hot diggety dog
He stared speechless at the booing stands for a moment and then, instead of slinking away, threw his bat into the air and shouted: “Hot Dawg! Diggety diggety dam! Baby cut your toenails;”1937, Jerome Bahr, All Good Americans, page 109:
[We] decided we was gonna run around in a circle by Pop’s chair. We'd go diggety, diggety, diggety, yerr. Go as close to him as we could possibly get.2015, Ellen Wright, “‘Do you want mustard?’ ‘Yup!’”, in Charles Wolfe, James Akenson, editors, The Women of Country Music, pages 35-36: