Given the context of 'There is nothing ungrammatical or wrong about saying  She's a real Johnny-comelately,  but it grates.', does 'Technically there's grammatically incorrect in the sentence, "She's a real Johnny-comelately."' emerge logically?
There is nothing ungrammatical or wrong about saying  She's a real Johnny-comelately,  but it grates.###Technically there's grammatically incorrect in the sentence, "She's a real Johnny-comelately."