put-on

[ noun poo t-on, -awn; adjective poo t-on, -awn ]
/ noun ˈpʊtˌɒn, -ˌɔn; adjective ˈpʊtˈɒn, -ˈɔn /

noun Informal.

an act or instance of putting someone on.
a prank or pretense, especially one perpetrated or assumed in mock seriousness; hoax; spoof.
affected manner or behavior; pretentiousness.

adjective

assumed, feigned, pretended, or disguised: a put-on manner that didn't fool anyone.

Origin of put-on

1855–60; adj., noun use of verb phrase put (someone) on
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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