그런(contraction of 그리한=그렇게 하다(do like that) + ㄴ(adjective form of the verb ending for the past experience ) 너(you)는(topic particle) 나(I)와(with) 130g 양(amount)의(possessive particle) 즐겨(enjoy and) 먹(eat)던(adjective form of the verb ending for the past experience) 마카롱(macaroon)을(particle for the object of the sentence) 잃었다(lost). - You (who said(did) like that) lost 130 g of macaroon that you and I used to enjoy eating. (Context of this statement is scolding or blaming because of the words 그런.)