When a baby poops their nappy/diaper. Fudge = poop, huggies = nappy/diaper. Used in the Simpsonsepisode, '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?!'
Similar to horny, and can be used synonymously, but isn't limited to sexual situations.
The irresistible urge to partake in something related to the furry fandom.