1. The technique implemented in the Bulemic weight loss system. Eat shit tons of food, go to the bathroom and hork it all up.
2. Doing a task or job fast and sloppy.
1. Jesus, Sally needs to stop scarf-n-barfing, it's not helping her figure.
2a. Jeff, scarfing-n-barfing your homework is not acceptable, do it over.
2b. Tom, it's Friday. Scarf-n-barf that work of yours, it's time to go to the bar.