1. a share of the benefits or profits from something
look for/offer/give a slice of the pie
If you get 'a piece of/ slice of/ a share of the pie' it means you profit or benefit from something or receive a part, share or amount of something. "If this venture is successful you will all get a piece of the pie." This is an informal phrase and in the UK you might hear 'a piece of the cake' instead of 'pie'.