A shortened form of the "diaphragmatic startle" response where the diaphragm briefly contracts as the phrenic nerve is manipulated during surgeries such as thoracic outlet decompression.
The phrenic nerve descends along the surface of the anterior scalene muscle. To confirm its identity, gently manipulate it to elicit a dartle response.
by K273 April 17, 2016
The practice or habit of adding random meanings to random words on Urban Dictionary, despite the fact that no such meaning has ever been attached to that word, ever, in the history of the world, this rendering Urban Dictionary generally useless.
by Reginald Swink February 14, 2011