The best and worst of life, conveniently sliced and packaged in the form of books, television, theater or cinema for your viewing pleasure.
Things that are "slice of life" are generally emotion provoking, insightful, moving, but also realistic.

Literally everyone, ever. Including the writer of this definition.

n. pl. slices of life
slice-of-life (slsv-lf) adj.

An episode of actual experience represented realistically and with little alteration in a dramatic, fictional, or journalistic work; A genre or particular style of writing.

This is a delicacy in many cultures. It is when you add a pinch of self confidence, a big bucket of self doubt, and many awful things every now and then. You put it in the oven, and voila!