A person online who chooses causes, catastrophies, and news events to support OR boycott. Pat-Pat Commando's read about something online or hear half of a story on the news and then choose to take a stance in an effort to collect as many "Pat-Pats" from Efriends as possible. The Pat-Pat Commando typically communicates through every-single-effing forum and social network they can find and typically leave said network if they do not receive the correct amount of attention to suit their drama ridden narcissistic needs.
A reference to the infamous fisting scene in the film, Caligula, in which Caligula pats the arse of a young man, pronounces it splendid and then buries his wrist in it.
Use in any case where it seems fit.
Generally quoted whenever the words pat or splendid are used or any references to patting