March 14. Celebrated mainly in Japan and Korea.

A day when men would buy gifts for their girlfriends/wives. On Valentine's Day, women get gifts for their men, but men don't have to reciprocate. So White Day was invented for men to give something back.
I've got to find something for my girlfriend for White Day.
by Jon Dunbar March 13, 2004
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Holiday that Must be atleast once per week between the days of Monday and Friday. Usually from eating at the golden dragon or random pink eye but always open to new excuses.
Must be Sean white day he hasn’t showed up yet
by Seansashart September 8, 2022
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National White day is on April 16 and is when everyone (if you want) is to dress up like a white girl.
by ThiccyMcCheese April 15, 2019
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October 23rd is the day to kick punch and slap all white people
Tyrone: let's kick Jacob today, its national kick a white day
J.G: Bet
by Deshawnte Willians October 22, 2019
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n. The wannabe-black pimp Drexl's (played by Gary Oldman) idea of a holiday where crazy white men can assualt pimps in their place of buisness and get away with it. For Christian Slater, it obviously wasn't White-Boy Day.
Drexl Spivey: "He must have thought it was white boy day. It ain't white boy day, is it?"
Marty: "No man, It ain't white boy day."
by Robert Akins June 3, 2004
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n. A metaphorical holiday, upon which crazy white men are able to confront and/or assault pimps in their place of business without fear of negative repercussions.
Look man, ain't no white-boy day. You roll up on my block, better come correct.
by K. Washington July 24, 2016
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