To wear only underwear freely without judgement. For a whole day, enjoy being in just your underpants.
It must be national underwear day because I saw Billy in his purple polka dotted underwear getting the mail this morning.
by christinastar August 5, 2022
Get the national underwear day mug.April 18 is the national day to send pictures of yourself in only underwear to your boyfriend- especially if his initials are ALM.
“Wow my name is also the name of a river in Asia, and it’s also National Send Underwear Pics to Your Boyfriend Day so I should send a picture of me in underwear to my super cool boyfriend!”
by Riverlover69 April 18, 2022
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