When a
baby poops their
nappy/diaper. Fudge = poop, huggies =
nappy/diaper. Used in the Simpsons episode, 'Strong Arms of the Ma.
Bart: 'Ew! Mom, I think Maggie fudged her huggies!'
Marge: '
Bart,
don't say it like that, you'll hurt her feelings. (sniffs) Geez, Louise! How did you turn cinnamon applesauce into that?!'