Brown Day 

The day following a night of heavy drinking/toxic eating, where one would poop his/her pants while sleeping or while awake.

Nothing like a Brown Day to kick off the new year.

Brown Day by Weedierskeet January 7, 2011

brown sock day 

a day in which its so hot that you sweat so much it drips down your asscrack and onto your clean white socks, which in turn become brown

man 1: its too hot to work today
man 2: ya its definately a brown sock day

brown sock day by ribman January 4, 2007

Brown Polo Day

A day devoted to wearing a specific color and type of shirt to school.

The first day of school we are wearing Brown Polo shirts and that day will then be declared Brown Polo Day.

Brown Polo Day by Mr. Senor Jose Sanchez August 23, 2006

Brown Envelope Day 

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.

Brown Envelope Day by jim0203 April 4, 2010