What does [OP] after user name mean?

[Jenningsville]

Hi, I noticed some IPF user names (mine included) have "[OP]" after then in posts... what does this mean? Thx.

 

[SweetPoison]

It means that is the person who started the thread = Original Poster.

 

[sanada]

Ok then I was wondering as well

 

[Jenningsville]

Cool, thanks for the quick answer.