lol_____________ (fill in the blank)

You guys are already intimately familiar with lolcatz, especially mr cheezeburgerz.  But, what about the rest?

loldogs: http://icanhascheezburger.com/tag/loldog

lolgeeks: http://lolgeeks.com

lolbrarians: http://community.livejournal.com/lolbrarians

lolbees: http://community.livejournal.com/lol_bees

lolpresident: http://lolpresident.com

lolrus: http://icanhascheezburger.com/tag/lolrus/