Fran Gerard and the obsessives

That's easy and involves two steps only:

1. Fran Gerard (born 23 March 1948 in Staten Island, New York) was Playboy magazine's Playmate of the Month best known for her pendulous breasts, some of the largest to be featured in the magazine up to that time.

2. Breast: Either of two soft fleshy milk-secreting glandular organs on the chest of a woman.

3. Obsession: An unhealthy and compulsive preoccupation with something or someone

Got it?