An expression signifying that one is especially proud of a batch of food that they have prepared.
A metaphor, likely originating from the fact that the foot is thought of as dirty, and dirt may equal seasoning, and the toe was used to add this extra "seasoning" to food. Nobody, of course, literally put their toe into a batch of food; this expression is purely metaphorical to my knowledge.
Grandson: "Grandmama, this mac 'n cheese taste good."
Grandma: "Mhm, I stirred it with my big toe!"
Grandson: "Huh?"
After experiencing fellatio, a man ejaculates in his partner's mouth. Then he proceeds to defecate while afflicted with diarrhoea inside his partner's mouth. Then he stirs the mixture with his dick. Then the partner swallows.
She says, " Last night my bf gave me the Caramel Double-Stirred Coffee".