Hork vs Undefined - What's the difference?

As a verb hork

is to foul up; to be occupied with difficulty, tangle, or unpleasantness; to be broken.

lacking a definition or value.

(en verb)

To foul up; to be occupied with difficulty, tangle, or unpleasantness; to be broken.

I downloaded the program, but something is horked and it won't load.

To steal, especially petty theft or misnomer in jest.

Can I hork that code from you for my project?

(label) To throw.

Let's go hork pickles at people from the back row of the movie theatre.

(label) To eat hastily or greedily; to gobble.

I don't know what got into her, but she horked all those hoagies last night!

To move; specifically in an egregious fashion

Go hork''' the kegs from out back, and then go to the party across the street and '''hork some girls back.

Senses “eat quickly” and “vomit” can be ambiguous, particularly when applied to food – this is a contranym.

* (foul up) (l) * (throw) (l) * (cough up) (l), (l) * (gobble) (l), (l), (l) English contranyms

(wikipedia undefined) (-)

Lacking a definition or value.

(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

The result of division by zero is undefined .

* defined