Shit it up Share definition Flag When a redneck or redneck family moves to a different area with their broken down vehicles, couches on the porch, toilets in the yard, etc. The people next door just moved in, it didn't take long for them to shit it up. Shit it up by sturgy March 28, 2015 0 0 Get merch Get the Shit it up mug. Buy Now — $32.95 See more merch