CB's been effectively dead--except in the minds of hams where it remains a looming specter--for pretty much as long as I've been alive so sadly I never had a handle. I've got one installed in my Jeep but it's mighty quiet; for a while there was a guy who liked to sit on ch 11 and say "Sounds like somebody needs an e-ne-ma!" over and over (dragging out "enema") but he must have gone back on his meds. If I were to pick a period-appropriate handle for myself, something from the time when CB was truly a going concern, perhaps "Grouchy Smurf" would be good. You can be Dopey Smurf.
Now, now. You say something like that to Charlie, you’ll make him mighty blue. And that would be pretty small of you...
Years ago when I was driving a lot for work, I had a CB radio in my car. When I did find someone worth talking to, I would just speak plain English and usually the other person would too. No one listening in could understand us.