Cancer list

The first three women a married guy will have sex with after his wife suddenly dies of cancer

Taken from "The Change-Up" (2011)

Dude 1: She's definitely #1 on your cancer list, right?

Dude 2: What cancer list?
Dude 1: Come on, every married guy has a cancer list
Dude 1: It's the first three people you'll have sex with after your wife suddenly dies of cancer.
Dude 2: That's fucking sick.