MindIntheGutter's definitions
Semen Raft, or Sperm Raft is a term used to describe someone who has surpassed the levels of jerk and asshole. 
http://molehr.oxfordjournals.org/cgi/content/full/12/7/461
http://molehr.oxfordjournals.org/cgi/content/full/12/7/461
by MindIntheGutter March 8, 2009
Get the Semen Raftmug. 