Last season Ahjuicy beat up gangsters and took their money when they didn't pay for alcohol at the convenience store but joonie didn't wanna accept it since there was money more than it was needed to cover The stolen alcohol so ahjuicy told joonie to treat him to a meal with the rest at least. Stuff happens so joonie only pays for some ice cream and there's money left over. So technically with the money left over ahjuicy is probs using that money to go have a meal with him.