Found between the legs of obese women. Consists mostly of sweat and foul discharge which have been "churned" between her thighs. Used mainly in reference to oral sex.
One redneck to another: "The old lady let me get some of that hogbutter last night."
A woman who after performing fellatio, unbeknownst to the man, spits his semen into a turkey baster and deposits it in her womb. After 9 fruitful months gives birth to the humbasted baby and then often proceeds to sue for childsupport.
He didn't even know the chick and she gave him a blowy in the alley behind the bar and turkey basted herself with it. Watch out for that humbaster.