Longman Dictionary of Contemporary English - tom-tom

~ n a long narrow drum you play with your hands ton ~ n 1 plural tons or ton a unit for measuring weight, equal to 2240 pounds or 1016 kilos in Britain, and 2000 pounds or 907.2 kilos in the US  (- compare tonne) 2 tons of informal a lot of  (We've bought tons of beer for the party tonight.) 3 weigh a ton informal to be very heavy  (Your bag weighs a ton!) 4 do a ton BrE informal to drive at 100 miles an hour 5 come down on sb like a ton of bricks informal to get very angry with someone about something they have done