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An otherwise normal person acting in an unusually retarded way, sometimes caused by excess sugar or late night binges.

Also can be used as a noun to describe the person.
Jason and Brian have been acting really tardsy lately and rolling around on the floor drooling.

Hey Tardsy, stop acting so fucking tardsy!
by Damien B. May 02, 2006
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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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