Adjective; of or relating to Borribles, characters from Michael de Larrabeiti's (1934 - 2008) Borrible Trilogy.
Borribles are runaway children who live by stealing from markets. They despise work and shun money, valuing instead independence, freedom and cunning. Something or someone is said to be "borrible" if it or they display similar characteristics.
That David Cameron's not very Borrible, is he?
A day that is entirely taken up with necessary but mind-numbing administration, usually to clear the decks so you can get on with the stuff you're supposed to be doing.
"If I don't get this tax return done today, my head won't be clear enough to finish Ulysses. Time for a Brown Envelope Day." --James Joyce, Trieste, 1921.