noun, noun or participle which takes 'suru', intransitive verb
lying down on the ground in apology
Colloquial term for prostrating oneself on the ground as an extreme apology, similar to 土下座 but with a more exaggerated, often humorous or self-deprecating nuance. Used as a noun or with する.
See also: 土下座
彼は遅刻の言い訳に土下寝した。
He prostrated himself on the ground as an apology for being late.
You often see 'I'll lie down on the ground and apologize' written online.