| Positive connotation: someone who will node upon request, or explicate existing nodes, especially when offered C! potential.
"If you'll say more about this work and that work in your writeup about that author, it would probably be worth a C!"
see also reputation whore.
I'll freely admit to doing this. Of course, you don't have to offer upvotes or C!s explicitly - simply knowing that you will go look at a writeup I've spent time on is usually enough. | 
