Looks like I'm a little late in this thread, as most of the points have already been covered.
Slang terms which can mean something offensive in one place and something quite innocent in another are quite common. Like the very old joke about a British steward on a cruise ship asking the attractive young American lady, "Would you like to be knocked up in the morning?"
Most people in Britain these days are aware of the alternate meaning so that one's probably not an issue anymore, but there are quite a number of others.
Lulu English singer ( Age of 37)
Och aye... Kenbo is gathering the clans to come after you this very moment!
Lulu is
Scottish, born 1948, had her first big hit with "Shout!" at the age of about 15. Represented the U.K. in the 1969 Eurovision Song Contest with "Boom Bang-A-Bang."
Also appeared in some movies in the late 1960s, e.g. "To Sir With Love," alongside Sidney Poitier.
