What is Goody Gumdrops?
1.
Depending on personal preference, it is either an expression of joy, happiness or delight or an expression of sarcasm in response to a small gain/reward etc.
Joy.
"You got an A+ on your maths test!"
"Goody gumdrops!"
Sarcasm.
"For finding the cure for cancer, we give you this small keychain."
"Oh, Goody gumdrops"
See
2.
A sarcastic usage of which expresses happiness or pleasure.
"I'm going to give you $1,000"
"Goody gumdrops"
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