Answer:
Hearing something unexpected or touching a live wire can have this effect.
Gumby and yoga instructors have this in common.
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
This is meat from the upper part of a pig's leg salted and dried or smoked, often enjoyed in a sandwich.
Why was the cook arrested?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?