adj: Take awesome, multiply it by the power of awesomesauce, then multiply it by the sheer awesome of a thousand ninjas, and you will have something that is pretty close to being awesomesaucetastic.
"Dude, did you see that guy? He just somersaulted off a 20 story building, fell 170 feet, snagged a kitten out of a tree, landed on his feet, stopped that guy from stealing candy from a baby, discovered the cure for cancer, and established world peace!"
"I know! It was AWESOMESAUCETASTIC!"