"Gacob" is slang for when two people look similar. It is often used as a question. (Gacob?) this term originates from combining the names Gabe and Jacob and is now universally used as a compound word to describe two people that look alike.

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)