老王卖瓜自卖自夸

老王卖瓜，自卖自夸

Literally means:

Lao Wang selling melons praises his own goods

Actually means:

praise one's own work or wares

老王, a general term referring to anyone concerned, and it does not refer to any specific individual or anyone surnamed Wang.

This phrase metaphorically means one boasts that he himself or his own possessions are good. It is usually used to ridicule those who boast about themselves. Derogatory.

老王，泛指一般人，不指某个确定的人，也不指姓王的人。

老王卖瓜，自卖自夸，比喻自我吹嘘，自己夸奖或称赞自身或自己的东西很好。常用于笑话那些自己夸自己的人。具有贬义色彩。