Any of a superclass of dinosaur-like aliens from the fictional planet Sagan 4, which got their name for their original appearance which looked as though they had sauce dribbled on their backs.
Killer sauce a term used mainly by nerds, geeks, chefs, and people who dont care what people think. It's meaning is simple. something really cool, tasty, awesome, or etc.
1.
Robert. Omg dude did you see that powerbomb?
John. Yeah Man that was Killer Sauce.
2.
Guy 1. Hey man did you see that girl?
Guy 2. Yeah she was the Killer Sauce.
3.
Dude. OMFG WHAT THE FUCK DID YOU SEE THAT NEW GAME.
Dude 2. Hell yeah man shit was tight definalty killer sauce.
4.
Customer. Can you recommand something.
Clerk. Yeah man the ranch its killer sauce