silly.... but i have experianced a similar situation. I said something with "my nizzle" at the end.... like i always do, and SERIOUSLY offended a co-worker.
i think were more offended because they thought i was modifying language to comply with their "culture". Where in reality, I really do talk that way to everyone.
you never know when there's a ninja present. they'd get offended. you wouldn't want to piss off a ninja haha.
I've got the japanese consulate in my building - i'd have to watch myself.