1 definition by PettyIsAsPettyDoes

When someone of mass size is unable to breathe through their mouth due to excessive fat hanging (triple necks), so their body struggles to survive by allowing certain stretch marks to form into gills to absorb and intake oxygen
Tasha, stfu!!!! I can hear you wheezing through your cow gills all the way over here, you fat lard.
by PettyIsAsPettyDoes January 12, 2017
Get the cow gills mug.