Comparative form of stroppy: more stroppy(adjective)
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Use "stroppier" in a sentence
"Jack, then, was a completely different kettle of fish from his brothers: stroppier, angrier, endlessly assertive."
"Lisa Argilla, a veterinarian who has helped nurse the penguin back to health, said he has a "stronger and stroppier attitude" than when he first arrived at the zoo, when his demeanour seemed flat and his feather condition was poor."
"China's workforce becomes older, costlier and stroppier, some firms will look to exit the dragon."