What is the full form of OP?

OP stands for Original Post/Poster.

Short Form OP
Full Form Original Post/Poster
Category Computing » Internet
Country Worldwide
Type Initialism

What is OP?

Original Poster(OP) is the full form of OP. It is a term used in online forums and message boards. It refers to the person who started a particular thread or conversation. The OP can also be used to refer to the person who posted the original message in a chat room.