I Like Don't Use Slang at All at Work

I like don't use slang at all at work or I try my best not to ever just because I'm like oh god what if I slip off and then they're like wait what does that even mean or oh kids these days you know. It's kind of interesting because I work for a small company in San Francisco people tend to be pretty hip and like modern, especially the type of people who are attracted to our company. So I've never felt like the pressure to not use slang but I guess like sometimes when I chat with older coworkers I just like don't know what they're talking about. Some people on my team they'll sometimes refer to like older movies they'll be like crystal