a state of remorse for having fallen asleep during the day when you have more productive things you could be doing.
Often accompanied with a disorientation of AM or PM.
Caleb: I think I'm just going to lay down while I wait for The Office to come on.
~~~2 hours later~~~
Caleb: Oh no, I missed The Office and forgot to pick my mom up from the laundromat. Is it 6:30 AM or PM? (nap guilt).
by Caleb's Mom February 22, 2011
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A well-known term in law enforcement for the short nap you take when you're in the interview room before speaking to detectives about some shit you got caught for. It's almost always a sign of guilt.

It's caused by the fight/flight response. You were "flighting" before they caught you, now you're in cuffs looking 25-life in the face. Since fighting's no option and you can't run anymore, your body overloads with adrenaline and shuts itself down in a sort of mini-panic attack.
The detectives walked in and interrupted Bobby's guilt nap to question him about his involvement in a murder.
by kadoodles May 23, 2019
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The nap that inevitably comes just after masturbating.
"I was late to work because my guilt nap lasted longer than usual."
by robr July 27, 2013
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