1 definition by Baz, who doesn't have a dinosaur arm.
A spazzy arm, where your arm is crooked and your wrist is bent so that your hand points downwards and cannot leave your side. Spastics are the most well-known dinosaur armers.
John has a dinosaur arm. Because of it he has earned the nickname Tyrannosaurus John. Watching him try to peel an orange is too funny.
by Baz, who doesn't have a dinosaur arm. October 27, 2007