adj, slang ·Uncommon ·College level

Definitions

Adjective

1. 1
   Biggest and most impressive; most significant. informal

   "“It’s the grand-daddiest (bleep-bleepin’) (bleep-bleep) album you’ve ever seen,” he [Ted Nugent] said of it."

Example

More examples

"“It’s the grand-daddiest (bleep-bleepin’) (bleep-bleep) album you’ve ever seen,” he [Ted Nugent] said of it."

Etymology

From granddaddy + -est.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.