expression, noun which may take the genitive case particle 'no'
just right; ideal; perfectly suitable
Describes something that is exactly what is needed or perfectly suited for a purpose. Often used in the pattern ~にもってこい.
This job is just right for him.
This book is ideal for studying Japanese.
fetch!; bring me ...
Imperative form of 持ってくる (to bring). Used as a command or request to bring something. This sense is a literal verb phrase, not the idiomatic 'just right' meaning.
I told the dog, "Fetch!"
Bring me that book.