From the Greg Hamilton to English Dictionary by Meredith Robinson:

Dry Fire Target: Fluffy (or Cat).

Greg Hamilton
Firearms Instructor
[I’ve been doing a lot of dry fire practice the last couple days because of the IPSC match tomorrow. We have two dogs and two cats in the house. I may sometimes tease Barb and Xenia about using the pets for dry fire practice but I never actually do that. It violates a fundamental gun safety rule. And in my classes I tell the story of a guy that accidently shot the family cat in the family room that way.–Joe]