Not liking other alternatives, such as "Icecreaming" (too vague), "Drink your own champaign" (too posh), and "Eat the food you cook" (too long).
A definition may be:
> Self Delivery is a continual improvement method whereby the creator of a solution is also a client that uses it, gaining insight in how the solution conforms to stated needs, that are fed back into the design proces.