spam threads
http://4-ch.net/science/kareha.pl/1408579545/l50
http://4-ch.net/anime/kareha.pl/1408579450/l50
http://4-ch.net/politics/kareha.pl/1408579254/l50
there may be more, as i didn't check every board.
lots of trolling in this Obama thread
http://4-ch.net/politics/kareha.pl/1345792989/l50