From the Devil’s Dictionary X™

intelligent design

a theory of life and existence based on the idea that only a super intelligence could have conceived of anything as complex and beautiful as diarrhea or herpes.

compare with evolution.

evolution

a theory with absolutely no proof, excepting billions of fossils, bacteria, finches, tortoises, pigeons, insects—all living creatures in fact—single point mutations, cellular automata, peas, the laws of physics, and common sense; aside from that, evolution doesn’t have a leg to stand on.

compare with intelligent design.