I term used by uni students to describe there free day which ends up being used for washing clothes. Some times there is an Australian women for provides advice (AKA washer women).
Scott: hey ive got a free day What shall we do

Mark: mmm i need to do washings i guess

Scott: good idea cba at the weekend

Mark: Hey its washing wednesday
by MynameisnotmarkORISIT October 17, 2010
Get the Washing Wednesday mug.