To be drunk. It comes from the (fan) theory that Commander Riker in Star Trek: The Next Generation is a functioning alcoholic and everything that he does, from major decisions to hitting on women, is motivated primarily by the fact that he is, in fact, drunk. Can be used in almost any circumstance! See also: Riker'd

(noun) A successful type of theft which results in an acceptable, impressive and rewarding payday for the protagonist.