不是东西

不是东西:

Literally means:

it is not something

Actually means:

It refers to a person that is disgusting and contemptible.

It is often used to condemn a selfish and shameful person. When someone says 你不是东西 to another person, it mostly means cursing to the listener. Strongly derogatory.

被人厌恶、痛恨，或被人十分看不起的人。

用于指责行为恶劣，损人利己的人。当着一个人 说“你不是东西”时，往往意味着骂他。具有较强的贬义色彩。