Top Definition
Somone or something that wakes you up, bothers or annoys you on purpose or not when you are tying to take a nap.
Every time I lay down my husband knocks on my door with some stupid question. He is such an apernaper.

The neighbors dog is an apernaper. He barks at precisely 5:00pm everyday and wakes me up from my nap.
by dollmusic October 12, 2011

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