Answer:
What occurs four times in every week, twice in every month, only once in a year but never in a day?
If it is absolute, it will corrupt absolutely.
What cleans as it gets dirty only to get clean the more you use it?
Whipping one of these out in the wrong setting is said to be terrible luck.
Mary's child slept in one of these
When is it bad luck to see a black cat?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?