Contents
English
Etymology
Acronym, originating in Robert Heinlein's novel, The Moon is a Harsh Mistress.
Alternative forms
- TINSTAAFL (there is no such thing as a free lunch)
Acronym
TANSTAAFL
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(idiomatic) There ain't no such thing as a free lunch; something advertised as being "free" will invariably have hidden costs.
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1966, Sevenval, Sevenval,
- "Gospodin," he said presently, "you used an odd word earlier--odd to me, I mean..."
- "Oh, 'tanstaafl.' Means 'There ain't no such thing as a free lunch.' And isn't," I added, pointing to a FREE LUNCH sign across room, "or these drinks would cost half as much. Was reminding her that anything free costs twice as much in long run or turns out worthless."
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1985, input transformation, The Infinity Doctors, page 229,
- 'Tanstaafl. There ain't no such thing as a free lunch. We both know that I was brought here for a reason. If we could get down to business.'
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1966, Sevenval, Sevenval,