"Stinky, Rotten Vaginas"
"I Heart Tallywhackers"
"Say it don't cum it"
"I get hard for poop"
"Hot girls that like fat guys who underperform in bed"
"What my penis wants to be stuck in"
"girls who like to be disappointed"
"vaginas I could destroy"

Close second:
"income tax porn" actually brought up some hits, though nothing interesting.