Well you already took one of my ideas and put it in the subject heading of this thread.
but here are some others:
"rate my cock"
"am I big?"
"which guy would you do?"
"how can you be 10% gay/10% straight?"
"I'm a virgin why won't people have sex with me boo hoo"
"am I small? (with picture of micropenis attached)"
"Barack Hussein Obama"
"Canada, as good as it gets?"
anything started by johnschlong
"name your favorite poster"
"why do liberals __________________?"
"do you have fingers?"
"all men are gay"
"all men are bi"
"all men who come to this site are gay"
"this site isn't as good as it used to be"
"people are picking on me waaaaaa"
"so and so was banned?"
"count to 25,000"
"end this thread"
"Stronzo's appreciation that he's gone thread"
"do I really have the best cock on this site?"
"Americans are so stupid"