What does the + sign mean by peoples name?

[TheMyth]

if you look in a thread, or on the forum of whos online, some people have a + by their name, just wondering what it means.

For example: TheMyth+

 

[B5150]

+ means they are your buddy

 

[TheMyth]

WOW, thanks man! Never knew that! Want to be my buddy too!!!!!!?????? Huh, do ya????

 

[motive]

it means your aviator is not showing enough skin