I wish I was a little boulder!
I rock. You Rock. We Rock. Disclaimer: This joke was made during a 6 hour road trip with the family. My only scenery was rocks.
You hit rock bottom!
Echo-location, location, location (Replace "bat" with "zubat" if you wish.)
Dave: I wish I was rich. Genie: Granted, what's your second wish Rich: I want lots of money.