A British soldier, especially one from World War I or World War II. The museum had a special exhibit dedicated to the life of a tommy during the Great War.
Food or provisions, especially the bread or rations carried by soldiers or manual workers. The miners brought enough tommy to last them through their twelve-hour shift.
A Thompson submachine gun, especially as used by gangsters in the early 20th century. The getaway car was riddled with bullets from a tommy.