buckleknuckle

*Buckleknuckle* is a word that defines when a man anally fists a woman vigorously until she’s on the verge of climax, then the man unbuckled his knuckles and attempts to extend his fingers out in her anal canal.

Woman: “Ah babe this feels so good!! I’m going to ejaculate!”
Man: “I must perform the buckleknuckle” *extendo fingers come into play*
Woman: “OH GEE WILIKERS” *ejaculates ferociously*