Satire also known as Parody, likewise unobtrusively mocks what should be not kidding, so it's incredible diversion.
I might be wrong, but I think it's a verb. :^]
Answer:
You can't fit a square peg in a round hole would be the theme, I think.
Explanation:
He went to London and sold his plays, and since his style of writing was unique, so people were interested in him.
