The first day--usually a couple of weeks after the start of spring in areas which experience significant seasonal variation (such as the northeast US)--on which a large majority of girls and women wear their newest skirts. This occurs en masse, leading one to blurt, "Oh, thank God for Skirt Day." Skirt Day generally occurs on the second or third day of consecutive, skirt-encouraging weather in a week (at least mid-60s, winds < 10-15mph).
I woke up this morning, strode outside, saw dozens of beautiful girls in skirts on the way to class, said a brief thank-you to God for their smooth and fit legs, and promptly declared to my friends, "Today ... is Skirt Day."
by Rarathelunchman April 4, 2009
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Skirt Day - (n.) - The spring day that is just warm enough, predictably in the 65-70 degree range, where every girl's biological alarm clock chimes. The young Co-Ed's will don their floppy skirts, uggs or flipflops (or uggflops if they existed), popped pastel polos of various vintages & fashion shops as well as sunglasses with fist sized lens. Precursors include but aren't limited to long lines at Campus Tan, overcrowded ellipticals at the plex, and sudden sell-outs of Crest White strips and the Proactive System...
On April 10, 2008 the campus of Boston College celebrated Skirt Day.
by N Cam April 10, 2008
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National Skirt Day is that special day of the year when girls across the country shed the confines of their drab and restrictive winter pants and leggings for the freedom and comfort of skirts. Guys across the country celebrate this day after four months of suffering through the absence of any attractive stimuli and the return of something fantastic.

Join us in the celebration at NationalSkirtDay.com
Question: If Valentine's Day existed for 20 year old men what would it be?

Answer: National Skirt Day.
by NationalSkirtDay March 18, 2011
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National Skirt Day, this is a day when all the girls where I live wear a skirt for the entire day. Some have panties under the skirt, some have thongs and g-strings under the skirt, and some girls wear nothing under the skirt. This day is the day in which one girl will not have think in their minds..."Will I be the only girl wearing a skirt today?"

National Skirt Day is on the date of-- March 10th and it started the year of 1998, so, the very first National Skirt Day was, 3/10/1998. March 10, 1998 was the start of National Skirt Day, so be honored to know that the tenth day in March is a very special day. NATIONAL SKIRT DAY.
Man- "Hey girl, are you wearing a skirt for me tomorrow?"

Girl- "Yes, I am wearing a skirt tomorrow, but not for you. I am wearing one because it is National Skirt Day tomorrow."
by E-Thug May 28, 2005
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Event: A day when women get to show off their legs for the purposes of generating upward movement in their companies. A day eagerly awaited and the purpose of which is often misinterpreted by men.
"The speech she made during National Skirt Day (NSD), unsurprisingly, commanded an unprecedented level of attention"
by BP Beta July 18, 2006
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National Skirt Day, this is a day when all the girls where I live wear a skirt for the entire day. Some have panties under the skirt, some have thongs and g-strings under the skirt, and some girls wear nothing under the skirt. This day is the day in which one girl will not have think in their minds..."Will I be the only girl wearing a skirt today?"

National Skirt Day is on the date of-- March 10th and it started the year of 1998, so, the very first National Skirt Day was, 3/10/1998. March 10, 1998 was the start of National Skirt Day, so be honored to know that the tenth day in March is a very special day. NATIONAL SKIRT DAY.
Man- "Hey girl, are you wearing a skirt for me tomorrow?"

Girl- "Yes, I am wearing a skirt tomorrow, but not for you. I am wearing one because it is National Skirt Day tomorrow."
by E-Thug May 28, 2005
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National skirt day is celebrated November 16th and is a worldwide holiday where everyone wears a skirt, including males.
Tomorrow is National Skirt Day! what skirt are you wearing?
by Psychies November 3, 2022
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