The cheapest, nastiest nipple revealing shirt you have ever seen accompanied by friday shoes. Worn on a friday to work to enable direct route to the nearest pub.
'Mondo had worn his Friday shirt because he was so excited to go to the strip club, make it rain to be swiftly followed by a dangerwank!
by twofat March 3, 2008
On Fridays you wear a shirt which you bought at a thrift store like Value Village and wear it every Friday without washing it until it is unwearable in which case you buy another.
Justin: That shirt looks terrible it must be Dirt Shirt Friday.
Nick: Nah man his family is just poor.
Nick: Nah man his family is just poor.
by Werdoop November 15, 2008
A day when employees at concrete plants are allowed to wear bright, ugly and "festive" shirts to work.
by Romeal June 30, 2004
Any Friday is Red Shirt Friday. You should wear a red shirt, if you forget there is always next week.
by Teddy Z October 2, 2006
by nikkan_hanil July 2, 2004