When you go to the bathroom, jack off and put the cum in your mouth. You then go back out and eat your girl out. Thus impregnating her via mouth to pussy.

When you take a picture of a person and take a picture of a stork and then create a photo of what you might imagine the offspring of the two might be

(Taken from Impractical Jokers S7:E1)

To impregnate. Derived from: "stork", as in, the bird that brings babies and "pork", as in, to have sexual congress.

The female version of blue balls.