ヒュードロドロじ字FuriganaMeanings1adverb, adverb taking the 'to' particlesound of a ghost appearingonomatopoeic or mimetic word›Onomatopoeic phrase evoking a spooky, eerie atmosphere, often used in manga, anime, or ghost stories when a ghost or yōkai appears.See also: ヒュー · ドロドロお化ばけが出でるとき、ヒュードロドロという音おとがした。When the ghost appeared, there was a spooky 'hyuu-dorodoro' sound.