a person whose main talent is hitting other people UK, 2000.
2
a heavy blow with the hand UK, 1889
2.verb
to hit someone heavily, to thump someone UK, 1999
phraseclump[clumped, clumped, clumping] clump together clump together • clump sth together • clump together sth if you clump things together or they clump together, they form a tight group or a solid mass: Grow the plants clumped together rather than singly.These cells tend to clump together in the blood.