Answer:
Two year-old children who throw tantrums get this nickname. So did the tsar "Ivan."
Hearing something unexpected or touching a live wire can have this effect.
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
Some adults still use these to count.
What can travel around the world while staying in a corner?
Cycle Cycle Cycle.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?