noun signs of intravenous drug use, such as scars or abcesses US, 1983
idiommarksdo you see skid marks on my forehead? AmEAmEslang used in order to tell someone that you are annoyed because they are treating you as if you are stupid:You don't have to repeat everything you say to me. Do you see skid marks on my forehead?
Note Skid marks are the marks a car leaves on the road when it stops suddenly.