A blood booger is when someone pulls a booger that is covered in blood out of his or her nostril and can feel it slide against his or her esophagus. After a nose bleed, one has a chance to get a blood booger.

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)