Phallophilia – a sexual attraction that one has for an erect penis of either extraordinary dimensions or endurance.
Phallophilia does not come without its drawbacks however. Aside from the obvious fact that penises come in all shapes and sizes, each vagina is also unique, and if a penis is too large for a particular woman’s vagina, her cervix and posterior fornix can end up taking a painful pounding, if she, and a well endowed partner are not careful. Also, large penis – small mouth, can make oral sex rather challenging as well…
– Judi Reed, 2012
(Encyclopedia of Unusual Sex Practices, Brenda Love, 1992)