Titman

[Monty]

A male who is partial to busty women, particularly their big breasts. He enjoys female breasts so much so that he would often rather titfuck a woman as opposed to actual intercourse.

Other variations of the term include tit man, breastman, [breast man], [boobman], [boob man], etc.

[Couch Potatoe]

A person (usually a man) who is the smallest, youngest, weakest, etc., in a family or other group.