starfist

entering a man or womans anus or vagina with a whole hand then opening the hand as far and as wide as possible within the body cavity

Laying on your back with arms and legs outstretched to make yourself look like a starfish, then inserting each hand and foot into a different woman's vagina.

When engaging in coitus, an individual shoves one's hand up the vaginal canal while simultaneously opening their palm and spreading their fingers within the canal. Usually accompanied by the sudden declaration of "STARFIST!"Extremely painful to the vagina.

The act of shoving your fist in a bucket of glitter paint, then proceeding to shove it in a woman's meat wallet.