A sexual act involving anal sex where one tells the receiver that they have A.I.D.S. Upon the receiver learning of this, the giver rides away on a skateboard.
A tone troll is an internet troll that will effectively disrupt an internet discussion, because they feel that some of the participants are being too harsh, condescending, or use foul language. They often complain loudly and target specific subjects, even though they may actually agree with their subjects's point of view.
Tone trolls often emerge in the comments sections of the Pharyngula blog by Prof. PZ Myers.
Looks like it’s tone troll day… Must be the new year.