also: ぐでぐで
na-adjective
dead drunk; completely wasted
Describes a state of being extremely drunk, often to the point of being unable to function properly. Colloquial and emphatic.
昨夜はぐでんぐでんに酔っ払ってしまった。
Last night I got completely wasted.
彼はぐでんぐでんでまっすぐ歩けなかった。
He was dead drunk and couldn't walk straight.
Formal noun meaning 'dead drunk'. ぐでんぐでん is a colloquial, onomatopoeic adjectival noun.
Sound-symbolic word; the exact derivation is uncertain. The reduplicated form mimics the slurred, unsteady state of extreme drunkenness.