from the German ferkel=piglet, biest=beast. In reference to a (usually) female with insatiable sexual appetites.
We stayed in bed all weekend 'cuz she's such a ferkelbiest.
Man, I had no idea my new girlfriend was such a ferkelbiest. I haven't slept in a week.
Man, I had no idea my new girlfriend was such a ferkelbiest. I haven't slept in a week.
by frklbst June 10, 2014