look up any word, like blumpkin:
 
1.
An undefined velocity of an object in motion usually applying to something moving very quickly. Most often used when person using word is in an excited state of storytelling.
He was driving his truck at “mach chicken” when he hit the meridian and launched his truck over the ditch.
by Konsch July 10, 2008

Words related to mach chicken

motion movement rapidity speed swiftness velocity