The day before valentines day when its all awkward and you have no idea what to do. Named for Saint Derpentine, who lives in Derps everywhere.
Guy 1: What are you getting Shelly for Valentine's?
Guy 2: I dunno dude, its gonna be a loooong Derpentine's Day...
Guy 2: I dunno dude, its gonna be a loooong Derpentine's Day...
by Rutabega234 March 28, 2012
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