When you take apart a hairdryer (Preferably someone you don't like's hairdryer, or one in a hotel) Then you "drop a log" in the hairdryer, and put it back together, ready for the next unsuspecting victim.
I stayed in a hotel last week, gave the hairdryer a good brownbreeze
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi