Used in place of standard expletives such as "shit", "damn", or "fuck", for when something goes wrong; or for when something goes from wrong to worse. Particularly for when feel that you have been taken advantage of down to your "core."

Example 1: Bro 1: (accidentally spills a beer on himself, then exclaims): "Sanacore!" Example 2: Girl 1: (after letting Bro 1 hit on her for an hour) "That's a nice watch you're wearing, my boyfriend has one just like it." Bro 1: "Sanacore!" Example 3: Bro 1: "Dude, I saw that psychopath Michael is back in town. He was eating at 12 Bones." Bro 2: "SANACORE!!" Example 4: Bro 1: "Hey friend, do ya think you could lend me 20 bucks?" Bro 2: "Um, I would except my psychopath roommate wrote me two bad rent checks and stole my laptop...again." Bro 1: SANACORE!! Example5: Bro 1: "My book deal with Viking Press fell through" Bro 2: "Sanacore!"