Definitions by Sned, lord of cuttyhunk

Butter pig 

1. Obese cat of an unknown breed. Frequents suburban neighborhoods, as well as being extraordinarily tame.
2. Slang for an obese young male seen in the act of purchasing junk food.

-Butter pig ate all the freakin' cat food!
-That butter pig just bought the last pack of soda!

Butter pig by Sned, lord of cuttyhunk July 30, 2008