Clumps meaning : A cluster or lump; an unshaped piece or mass. A thick group or bunch, especially of bushes or hair. A dull thud. The compressed clay of coal strata. A small group of trees or plants. A thick addition to the sole of a shoe. To form clusters or lumps. To gather in dense groups. To walk with heavy footfalls. To strike; to beat. A game in which questions are asked for the purpose of enabling the questioners to discover a word or thing previously selected by two persons who answer the questions.