This is a phrase that's used during negotiations.
It basically means that what you're asking for would make your share too large.
aka asking for 2 nickels per 1 dime
Synonyms for nickels on the dime
On this page, you will find 30 slang terms related to a nickel or a dime. Some of the top words include: Two's Up, paradox, dillyo, OUT THE YIN-YANG, front, and 25 more.