1. Yo man! Do it 'mach'.
2. Well done Paul, you're doing it again! Smart move, it was so 'mach'!
3. It was too complicated for us. Only he knew how to do it 'mach'.
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.