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Running a ducky is a common slang term to mean "running late." It is only ever correctly used in gerund form.
"We've been waiting for 15 minutes! Boy, he's running a ducky."

NOT: "The other day I ran a ducky. The guys were so pissed."
by Missing Goat April 18, 2009
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
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