An out-of-tuna!
Fish. I got this from bash.org a long time ago, but I can't find the original post, so have this
Because all the fish in there goes "bloo bloo bloo"
Mick Jagger sings eh you, get offa mai cloud, but the Scottish farmer says eh McLeod, get offa mai ewe!
Mount Rushmore.
With a tuna.
You can tuna piano, but you can't piano a tuna.