Abreviation for St. Patricks Day.
Bruh, I am SO hype for SPD this weekend. I cannot wait to get hammered and pretend I’m Irish!
by Baarbie March 14, 2018
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Affects 1 in 10 men, and every man who has ever sent a picture of his junk. This disorder causes a man to develop very small genitalia, and have the irresistible urge to send pictures of his symptoms to unsuspecting women.
Man 1: brooo I just sent my pp pic to Jessica

Man 2: ewww brooo you have Small pp Disorder (SPD) , go to your therapist.
by C00chieman September 21, 2020
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