What is It's Not Science Rocket?
1.
derogatory form of "it's not rocket science" (capable of being accomplished with ease; posing no difficulty), intent on mimicking the ignorance of the recipient.
"what do you mean you don't know what the address bar is? It's not science rocket."
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1.
A more polite version of balls out. Indicates extreme effort or determination.
1. The 400m runner came off the final bend in 3rd place ..