As you can see in this 1980's photo, the term “fudgepacker” did not used to have any sexual connotations, a quite innocent word, used to describe yummy ice cream treats:
It was not until the 1990’s when Robin Williams first used the term “fudgepacker” in one of his stand-up comedy routines that the innocent term fudge packer because synonymous with deviant sex acts.
Later, the term "Fudgepacking" came to refer to the act of male gays maing love.
Ben & Jerry’s makes a Pro-fudgepacker reference
Just like other terms that have changed meanings, real fudgepackers had a hard time dealing with this new definition:
The most famous recent fudpacking event was from South Park, where Tom Cruise is packing fudge:
Tom Cruise is a fudgepacker (from South Park episode 200)
Here is the original episode: