—adj.poot'on', -ôn'), [key]
1. an act or instance of putting someone on.
2. a prank or pretense, esp. one perpetrated or assumed in mock seriousness; hoax; spoof.
3. affected manner or behavior; pretentiousness.
assumed, feigned, pretended, or disguised: a put-on manner that didn't fool anyone.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.