What is Boomsauce?
1.
noun; a welcome situation or job well done. a degree of awesomeness.
Guy 1: "Dude, you hear that new <indie band name> album?"
Guy 2: "I played bass on that one."
Guy 1: "Boomsauce!"
OR
"Your deep-frying skills are exceptional. Those fries were boomsauce."
See