bust a shitty Share definition Flag To make a sudden (usually illegal) U turn. Man, when I saw that cheerleader car wash, I had to bust a shitty to go back to it even though my truck wasn't that dirty. bust a shitty by Autohaulic February 21, 2008 0 0 Get merch Get the bust a shitty mug. Buy Now — $32.95 See more merch