It's the slang plural for the marine mammal "porpoise". Used mostly in eastern North Carolina.
"Hey Man look at all those porpi!"

"Wow glad the porpi are here to scare off the sharks, porpi save us"
by Eastncsurfer May 2, 2009
Get the Porpi mug.
Did that person just come out of a porta-potty with an ice cream cone and a slice of pizza?! That's pretty porpy.
by Chwaits November 3, 2010
Get the Porpy mug.
Porpy (verb.) Means your a fat stupid virgin. If you are called a porpy, it means your ugly and fat and should die.
(Daniel: hey man, alan talks about playing rust all the time.) (Jerry: yeah he’s hella porpy)
by nicklebacksucks77 November 7, 2020
Get the porpy mug.
When you shake to beats of songs.
Anna:*shakes to Party with Pinkie*
Jessica:You’re so porpy
by thecharacterwannie August 4, 2022
Get the Porpy mug.
Groups of porpi
Hey, dad! Look sholes of porpy
by Wreck it wrelph October 10, 2021
Get the sholes of porpy mug.