breast drill: a portable drill with a plate that is pressed against the chest to force the drill point into the work
drill: a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
methylenedioxymethamphetamine: a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States