Top Definition
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

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