Define Tiny Fucked A Stump Meaning

Tiny Fucked A Stump
A seemingly meaningless, probably inside joke found in the special features section of Rob Zombie's "house of 1000 corpses". It features the cast of the movie telling a knock knock joke that makes little sense.

Baby- Knock Knock
Otis-who's there?
Baby-fish boy
Otis-fish boy who?
Baby-Tiny fucked a stump!
me-???

knock knock
whos's there?
stump
stump who?
FUCK ME TINY, FUCK ME!
By Ashla