Here is a pretty cool site with Poker Terms.
Poker Glossary
Here is another good one
Online Poker Terms - Poker Dictionary
I have not heard a few of your terms, but:
Donkey is a weak or bad player. You could have more than one at a table. Sometimes, you can play like a donkey, even if you are not one.
Betting in the dark, is betting before you see the next cards. For example you have completed betting after getting your hole cards, and bet $20 in the dark. Implying you will bet $20 after the flop.