wiggledysnap
2 key uses, both as an expression of surprise either as unexpected joy or as unexpected frustration or anger
When meeting a friend not seen for a while, "Wiggledysnap, it's good to see ya"
or
After jamming your finger in a car door and trying not to crack it "Wiggledysnap!" is an acceptable expression of anger.
or
After jamming your finger in a car door and trying not to crack it "Wiggledysnap!" is an acceptable expression of anger.