- от жиру лопнуть
- • С <OT> ЖИРУ ЛОПАТЬСЯ/ЛОПНУТЬ highly coll, derog[VP; subj: human; pfv past is not used in the affirm; more often this WO]=====⇒ to get very fat (usu. from inactivity, an idle life style):- X с жиру лопнет{{}}≈ X will become (be) a tub of lard;- X will be (get) as fat as a pig;- X will be (become) as big as a house (a horse, a barn).
Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. С.И. Лубенская. 2004.