Any of a number of drawings/sketches/images depicting either mecha, vehicles, or machines in anthropomorphic (human-like) poses or activities. Related to the furry, Mechies are deplored for illustrating lewd and/or sexual acts, although this is the exception rather than the rule.

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)

Adj; okay, in the middle, middle quality

Derived from the expression "meh".