Top Definition
When you are boinking someone in your office and you have to abort the proceedings before completing the act because the janitor is coming to empty the trash or sweep the carpet.
"I was nailing the new receptionist on my desk last Thursday when I heard Charlie rustling the trash bins resulting in the dreaded janitorus interruptus."
by college professor August 23, 2006

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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