親のすねをかじる
Idiom- 1to depend on one's parents' (financial) support ; to gnaw at one's parents' shins Translated by Jiyomi
Other writings and readings
親の脛を齧る親の臑を噛る親のスネをかじる親の脛をかじる親の脛を囓る親のすねを囓る
expressions (phrases, clauses, etc.) · Godan verb with 'ru' ending
JMdict entry 2092850. Source and licence.