Comparative form of spivvy: more spivvy, more like a flashy, dishonest person who likes to show off.
The word spivvy can make people think of someone who is not very honest and who tries to look more important than they really are.
Examples:
He looks even spivvier than his brother.
Her hat is spivvier than mine.
The car is spivvier than the bike.
My shoes are spivvier than yours.
His house is spivvier than a palace.
The cat is spivvier than the dog.