An expression of surprise: "Sumobitch, that little'un bites hard!"

An expression of distaste: "This'un here's a sumobitch, cain't even mow over it with a John Deere."

An expression of amusement: "Ain't that a sumobitch--Sarah Palin got her some rack on her."

An expression of angst: "Sumobitch, that Rainbow Warrior's neck an neck with Dale Jr. again."

An expression of admiration: "Whew-y! She gives trailer park head like a sumobitch."