Butter made from the milk of any animal other than a cow. ie, human, dog, antelope, giraffe.
Gerth: "This toast tastes funny."
Nobby: "That's 'cause I made the butter."
Gerth: "You mean...."
Nobby: "That's right baby! It's butter from another udder!!"
by Big Pimp Daddy February 28, 2011
Get the Butter from another udder mug.
The act of ejaculating on a pair of soft, supple breast
Jennifer got me so worked up from the sex, I pulled out and proceeded to butter the udder with a huge hot load.
by martin92683 February 24, 2015
Get the butter the udder mug.