A Riley or Lachy (They mean the same thing (Mostly)) is the act of either sitting on someone's nose with their nose up your Anus and then pooping, causing little pellets of poop to be sharted on their face (Riley). Or it is the act of being Rileyed (Having what previously mentioned, happened to you) (Lachy)

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)