A person that stinks, both literally and metaphorically. For example they stink in person but are also known to complain, nag and whine about everything that comes up (sometimes they bring something up just to complain about it).

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)