It's the cheerleader :rah: emoji. (that is, colon rah colon) http://i676.photobucket.com/albums/vv126/Marston72/smiley sports/image105-5.gif Many of the hosting sites are locking down sharing outside unless you have an account with them, or pay for the sharing.
I saw on this on the rivals Razorback forum. I think they said photo bucket or some other site was wanting $400 a month from the rivals site to remove it . They are looking for a way around it.