Answer:
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
When this is found in a road you are forced to make a decision.
Sitting down you have it, Standing up you don't.
Take it and you will lose or gain more than all the others.
Old Mcdonald had this
What is big and yellow and comes in the morning, to brighten mom's day?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?