I don't worry if they think I'm a pompous ass and continue to use jargon. Their opinion is only a reflection of their insecurity or fear of seeming dumb. And,

I don't worry if they think I'm a pompous ass and continue to use jargon. Their opinion is only a reflection of their insecurity or fear of seeming dumb. And, they are being dumb. People use new jargon I'm unfamiliar with all the time at work. I always ask them to clarify what they mean. That's how you get smart and knowledgable and don't live in fear.