Tumble meaning : A fall, especially end over end. A disorderly heap. An act of sexual intercourse. To fall end over end; to roll over and over. To perform gymnastics such as somersaults, rolls, and handsprings. To drop rapidly. To smoothe and polish, e.g., gemstones or pebbles, by means of a rotating tumbler. To have sexual intercourse. To move or rush in a headlong or uncontrolled way. To muss, to make disorderly; to tousle or rumple. (cryptocurrency) To obscure the audit trail of funds by means of a tumbler.