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1.
Describing something that was considered by many to be good, incredible, amazing, work of art, etc, that was never completed and will likely never be completed.
I honestly think Hitchhiker's guide to the galaxy was the greatest plav in history next to the Canterbury tales of course.
av slacker-chan 21. juni 2010
 
2.
Gravity
Newton discovered Plav, and it w as named as such under new science
av fsmetal 7. mars 2011