(n.) Rule of dating etiquette that dictates whether or not you can date a prospective girl/boy without being a kiddy-diddler. It states that if your prospective mate could recite the alphabet by the time you were born, they're too old to pursue a romantic relationship with.

Often seen as a stricter alternative to the half your age plus 7 rule.

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)