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The Best Internet Slang

kill-joy

[kil-joi] /ˈkɪlˌdʒɔɪ/
noun
1.
a person who spoils the joy or pleasure of others; spoilsport.
Origin of kill-joy
1770-1780
First recorded in 1770-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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8
10
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