Hey guys, I'm new, what does sage mean?

IN one of my posts on b like a bunch of people said they were "saging " my thread, what does it mean?  Sage is like a wise  person, so are they saying my thread had some good wisdom? cause it was supposed to be funny not intellectual.

thx for helping me out guys.

sage....

actually, lets be nice to the newfags, we were all newfags once... in fact lets not be mean to any newfags, i'm tired of people criticizing them on /b/...

and also if you say giraffe really slowly it sounds liek gullible