fist >> fɪst
Definition: [noun] a person's hand when the fingers are bent in towards the palm and held there tightly, typically in order to strike a blow or grasp something.
Example: she pummelled him furiously with her fists
Definition: [verb] strike with the fist.
Example: he fisted a goal-bound shot over the bar
Definition: [verb] clench (the hand or fingers) into a fist.
Example: she fisted her hands on her hips
Definition: [verb] penetrate (a person's anus or vagina) with one's fist.