A roller derby pervert. Someone who watches women's roller derby just for the T&A.
I see that lone creepy dude every bout. He always sits in the stands with his binoculars, what a derbert.
by PizzlefoShizzle November 10, 2009
Get the Derbert mug.
A Derbert is a biomelecuelor structure found in small sheep. IT breathes blood and lives of the large intestine.

A Bessingthwaite is a larger version of the pure form that is a Derbert Bessingthwaite.

it is also harmul if injected into a human via testtubes.
'AAAARRRRRRGGGGGGHHHH!!! i have a Derbert!!!!'

"i'm sorry, u have 5 seconds to live"
by Uncle Bert March 10, 2004
Get the Derbert Bessingthwaite mug.