What attributes identify a "cheese build" in SC2? [duplicate]

A cheese build is any build that is generally unstable in the long-run, but is used to exploit a single weakness.

The term "cheese build" is closely related to the term "cheesy".

3 . (informal) of poor quality through being overdramatic, excessively emotional or clichéd, trite, contrived, shoddy

4 . (informal) of a solution to a problem, inelegant, showing no skill (see brute force method)

Here's a good guide on the term

Of all the nastiest most hateful strategies in Starcraft, the most annoying ones are basically any form of cheese. It's nasty, gooey, disgusting, evil, and annoying.
However, a lot of people have some misconceptions about cheese.
First of all, here's my definition of cheese:

A strategy that follows these conditions:

• Takes the initiative
• Is hard to scout
• Designed to win the game with the least amount of effort.
• Leaves the cheeser at a severe disadvantage if the strategy fails to do sufficient damage.

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