I dont get offended by it. I kinda laugh to myself when I here folks around here say it every once in a blue moon.
I correct them by telling them:
"It's not called FROLF, buddy.... It's called 'Didge'..." (i.e. DG/Didge)
I correct them by telling them:
"It's not called FROLF, buddy.... It's called 'Didge'..." (i.e. DG/Didge)