てっついくだ 鉄槌を下す Show inflections LinksSentence search for 鉄槌を下すSentence search for てっついをくだすKanji details for 鉄, 槌 and 下Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'su' ending1. to crack down on (e.g. crime, corruption); to deal a crushing blow to; to bring down the hammer on Discussions Log in to talk about this word.