Ж-33

НАДРЫВАТЬ/НАДОРВАТЬ ЖИВОТИКИ (ЖИВОТ, ЖИВОТЫ, КИШКИ) (со смеху, от хохота и т. п.) substand VP subj: human often pfv fut, gener. 2nd pers sing надорвёшь) to laugh very hard, to the point of exhaustion: Х-ы животики надорвали — Xs were in stitches Xs (nearly (almost)) sp lit (burst) their sides laughing Xs (nearly) busted a gut laughing Xs (nearly) died laughing.

"...Бывало, по целым часам (от Печорина) слова не добьешься, зато уж иногда как начнет рассказывать, так животики надорвешь со смеха» (Лермонтов 1). "...Sometimes you couldn't get a word out of him (Pechorin) for hours on end, but when he occasionally did start telling stories you'd sp lit your sides laughing" (1b).

«Крепкоголовые» хихикали и надрывали животики, видя, как крикливый господин... вдруг прикусывал язычок... (Салтыков-Щедрин 2). The "die-hards" first sniggered and then nearly burst their sides laughing as they watched the clamourous gentleman...suddenly biting his tongue .. (2a).