Byronic (bʌɪˈrɒnɪk) adj.
I. portmanteau of ‘Byron’ and ‘ironic’ ∴ romantically ironic or ironically romantic;
II. of or pertaining to Lord Byron or his poetry.
Okay, so not strictly a neologism, rather a…
Neorismos (niɒˈrɪzmɒs) noun
I. a new definition for a word already defined otherwise. From Greek νέο- néo-, “new” and -ορισμός -orismós, “definition”.
So there you have it, a double-whammy of neologisms… I wonder what the collective noun for ‘neologism’ is?