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is when you masterbate extremely vigerously when you're parner is asleep next to you to the point where they wake up.
- If you wake them up by your grunts of enjoyment.
- If you wake them up by accidents making contact with their body and your member.
- If you wake them up with covering them in ejaculate.

"Sorry dear, I didn't mean to fudderwack you"
by Boyo Lewis April 18, 2010