Silly Old Bugger or Silly Ol' Bugger is generally a term of endearment. While sounding like an insult and bugger being a swear word it is mostly intended as an affectionate response to a mate or friend.
Friend 1. "Oh man, I just spilt my beer, again."
Friend 2. "You silly old bugger, let me get you another."
Friend 2. "You silly old bugger, let me get you another."
by ReallyOldGuy January 30, 2019