Young people with underdeveloped social skills that cringe at everything while explaining they are cringing.

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)

A person who is not only extremely cringeworthy, but is also obnoxious and immature. Anyone of any age can be a cringefag. Avoid them at all costs.