When you insert your cock inside the crevece formed by two breasts, preferably large ones, and the owner of the breasts takes the two breasts and moves them up and down your cock until you splooge all over her face.
What a butterface gets done in order for men to find her attractive. These women feel that big boobs will negate their ugly faces when the better choice would have been to get the plastic surgery done on said butterface.
Most WWE Divas had boob jobs to hide the fact they are butterfaces.
when one, preferably male,( unless you take it the other way) swivelchair's (yes that is a verb) his tongue around the nipple, arousing it to full potential...occasionally mistaking it for a lollypop, this male should begin to devour the aereola until orgasm occurs. or until girl pretends to orgasm because male is an incompetent drool bag..
When one places one's penis between a woman's or overweight male's breasts and moves the penis in a back-and-forth motion or the boobs to rub against the penis.