An irish slang that can be said in many ways, such as "Come out the fog", "Mup outta the fog", etc.
Basically means stop being stupid, come to your senses, be serious or realistic.
A different way of telling someone to stop acting the muppet.

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)