Noun, Suru verb, Intransitive verb, Noun which may take the genitive case particle 'no'
laughing oneself into convulsions; splitting one's sides laughing; rolling with laughter
Yojijukugo (four character compound)
彼のドジ話を聞いて、皆、抱腹絶倒した。He had everyone howling with his stories of all his past bloopers.
Also written 捧腹絶倒【ほうふくぜっとう】