がたんごとんがたんごとんMeanings1adverb, adverb taking the 'to' particleclickety-clack; clatteronomatopoeic or mimetic wordOnomatopoeia for the rhythmic sound of a train or similar mechanical clattering, often used with と.See also: がたん · ごとん電でん車しゃががたんごとんと走はしっていく。The train goes along with a clickety-clack.
