"On the Internet, nobody knows you're a dog.” (Steiner). Create a website that borrows the design tropes of a successful enterprise (government, corporation, funded startup, etc). Then sell me something absurd. Create something subversive or ironic. Or not; subvert this assignment. Check out Bite Labs and McMass for inspiration and the non-web but classic Yes Men.
Take a look at Raster Systeme by Josef Mülller-Brockmann.