noun
chubby person; fatty
Jocular, affectionate term for a chubby person. Often used teasingly among friends or family. The prefix お adds a familiar, slightly cute tone.
See also: デブ
うちの猫はおデブで、いつも寝てばかりいる。
Our cat is a chubby one and always just sleeps.
彼は子供の頃おデブだったけど、今は痩せている。
He was a chubby kid, but he's slim now.