skull crusher
n.— «Incline Barbell Triceps Extension…Do not bounce the weight off of your forehead (someone once undoubtedly did, because many bodybuilders call this movement skull crushers).» —by Edward Connors Gold’s Gym Mass Building Training and Nutrition System April 1, 1992. (source: Double-Tongued Dictionary)
Further reading
Unwrap the name of a candy bar, and you just might find a story inside. For instance, one chewy treat found in many a checkout lane is named after a family’s beloved horse. And: 50 years ago in the United States, some Latino elementary...
Funny cat videos and cute online photos inspire equally adorable slang terms we use to talk about them. • Also, when a salamander is not a salamander, the story of an Italian term for a dish towel used halfway across the world, Bozo buttons...