thump on (someone or something)
To beat or pound on someone or something with force. The two brothers thump on each other all the time, but they're really very close. The manager thumped on the table to bring some order to the meeting.
thump on someone or something
to pound on someone or something. Tim was angry with Roger and thumped on him a little, but decided to forgive him. Andy thumped on the bass drum for an hour.
thump something down
to throw something down so it makes a pounding noise. Nancy thumped the parcel down and caught her breath. She thumped down the parcel.
thump something out (on the piano)
to pound out music on a piano. Joel thumped a happy tune out on the piano. He thumped out a well-known tune.