Your piece of pork, your wife's best friend, your percy, or your cock.
1993 January 23, Phill Hallam-Baker, “Re: The Ultimate Circumcision”, in alt.folklore.urban, Usenet:
Not that unusual, there was a documentary on the BBC a few years back about Eunuchs which had a similar case, some poor kid getting his piece of pork burn[sic] off with an incense burner that got dropped...
1999 March 8, skepticl, “Camp Strawberries - PRED/WhitmanSampler does some underage black girls”, in alt.sex.stories, Usenet:
I told her I thought my piece of pork was too big for her, and maybe she should wait a few years until she could handle it.