Answer:
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
Your computer\'s version of white-out.
One am I, among six others: Largest, smallest, cold, dark and two brothers
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
What is used to yell in a text?
When is it bad luck to see a black cat?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?