Grinch lint is another word for weed or pot. It was first used so that authorities or parents could not know what you were talking about. Weed was nicknamed grinch lint because it is green (like the grinch) and looks similiar to lint.

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)