Can alternately be used to give a polar definition, when preceded by - the.
Finally, by further addition of the suffix - est, the meaning can be reverted to the original.
The word can be written both combined - megaswan, or as separate words – mega swan. In both cases the pronunciation is the same. Unusual double capitalisation is also common in the written form – Mega Swan.
The word is thought to originate from the Hampshire area of the UK and is supposedly used as a commonplace exclamation in the fireworks industry (uncited).
Alternately, when phrased as a positive: "Man, that party was THE megaswan!" "I love castles, they're THE megaswan." “Bring out THE megaswan!”
And finally: "That was the megaswanest magic act I’ve ever seen”