jump = copulate with?

[Mullins, Bill]

>This suggestion sounds doubtful to me:  there seems to be an ancient  custom
>of a couple performing their wedding by jumping over an object  together.
>Then, if "to jump" means "to wed", further sexual meanings are  not impossible.
>
>I have heard of this custom exactly twice, both times in science fiction
>novels.  One was Heinlein's _Glory Road_ and the other was Bujold's _The
>Hallowed Hunt_.  In the first case the object jumped over was a sword and  in the
>second a flagstaff---both being obvious phallic symbols for those to  whom
>phallic symbols are obvious.

I don't know about Bujold's book, but in Heinlein, they jumped over a sword in lieu of a broom.  "Jump the broom" is a moderately common expression (thousands of googits), and was the title of a Brenda Lee song.