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n. an unofficial holiday celebebrated on June 28th in honor of the death of legendary salesman and TV icon Billy Mays. It is customary to wear a blue shirt on this day in memory of Billy, due to his trademark blue shirt that he wore in nearly all his infomercials.
I need to find a blue shirt to wear. Tomorrow is Billy Mays Day.
by chris71693 July 08, 2009
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A day in which we celebrate the late Billy Mays. It's Traditional to wear a blue collared shirt with a white under shirt. Must also wear khakis. You must use CAPS LOCK the whole day. Even when talking to family or friends. If you can grow a beard by then, you are the man.
Guy1:OH MY GOD GUESS WHAT DAY IT IS!?!

Guy2: I don't even know if that was a question or a declaritive statement.

Guy1:BILLY MAYS DAY!

Guy2: There goes my ears.

Guy1:I GOTTA GO PUT ON MY BLUE SHIRT AND KHAKIS!

Guy2: what?
by MaysMan July 20, 2009
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The Event In Honor Of The Legendary TV Pitcher Billy Mays It Is Common For Every People In America Wear A Blue Polo And Khaki Pants On That Tradition It Will Be First Officialy Observed On June 28,2019 In Honor Of The 10th Death Anniversary Of Billy Mays
Hmmmmm I Wonder What I Should Wear Tomorrow
Me:I Should Wear A Blue Shirt And Khaki Pants Tomorrow Because It’s Because It’s Billy Mays Day Tomorrow
by ThatCrazyBoiLovesMemes December 10, 2018
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