Top Definition
The use of a napkin to illustrate, design, invent, or otherwise explain some kind of engineering topic, theory, process, or equipment.

Envelopes, hands, and other generally small pieces of paper can be substituted.
Aristotle- How was the napkin ring invented?

Plato- I drew it on the back of a napkin.

Aristotle- Oh, napkin engineering. Toss the fris!
by Kbehcon February 03, 2010

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