Yeah, serious question: Is this really not safe for work?
Are there workplaces where you'd be reprimanded for looking at a list of vulgar words, especially in this context? (More than you would for any other "unproductive" activity, like say, reading HN.) And if it's just about getting flagged by some monitoring software, I'd think this thread would be just about as likely to get you in trouble.
I get that NSFW is inherently subjective and context-dependent, but for me personally this is not NSFW, i.e., totally SFW.