the smalles left over part of a blunt or joint rolled with marijuana, sometimes refered to as roach.
usually smoked in times of dryness or brokeness.

the term roach comes from Cockroache.
the term racha comes from the spanish version Cucaracha.

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)