横板に雨垂れ
Meanings
1
halting speech; stammering
Idiomatic expression likening hesitant, slow speech to rainwater dripping off a horizontal board. Often used in contrast with 立て板に水 (fluent, rapid speech).
Antonyms: 立て板に水
His speech was halting, like rainwater dripping off a horizontal board.
When someone speaks haltingly, it's frustrating for the listener.