Why is it "take a dump"

when clearly we leave something behind?
What would you do if you saw an endangered animal eating an endangered plant?
Do they have reserved parking for non-handicap people at the Special Olympics?
Isn't one being ostentatious when using the word "ostentatious"?
Why does your nose run and your feet smell?
How are fat chance and slim chance the same thing?
Does the thesaurus list another word for thesaurus? How about a synonym for synonym?
Why is it so hard to remember how to spell "mnemonic"?
Why isn't "phonetic" spelled the way it sounds?
What do sign makers picket with if they go on strike?
When someone yells "heads up," why does everyone always duck and cover?
Where does all the rubber from shoes or tires go?