kechon-kechon
Being beaten or criticized so thoroughly there's nothing left — a crushing, one-sided defeat.
💡Losing a match badly — 'We got kechon-kechon out there.'
試合でけちょんけちょんにやられた。
I got beaten kechon-kechon in the match.
Our team was ___ crushed in the finals.
試合で○○にやられた。