1 definition by MattCheetham

The act of taking a nap when someone doesn't want you to and you wake up to them in a bad mood
Person 1: I'm not sure what happened, i fell asleep and when i woke up my Mum is in a bad mood with me

Person 2: Dude! You so Sleptslapped her!
by MattCheetham March 08, 2009

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