I'll be a monkey's uncle

Well I’ll be a monkey's uncle! I would never have thought that tourists would go into space!

"Well, I'll be a monkey's uncle!" Lem said. "I've heerd of rifles with transits on 'em, but I ain't ever seen one. Mind if I look at her?"

Well, I'll be a monkey's uncle, I actually solved that one.

[...] I made as if to step inside—wham, bang, I'll be a monkey's uncle if he didn't slam the door in my face! What was I supposed to do now? It wasn't exactly a cheerful situation.

But I know I am better than that. I completed two and a half years at the M.J.C., and I'll be a monkey's uncle if I did it all just to be neglected in some backwoods, drafty, lo-tech, no-glory, never-been-remembered-for-all-the-great-things-I-do, dead end court wizard position.

Well, I'll be a monkey's uncle if it isn't my old pal, Captain Pete. I haven't seen you in years. Good to see you!

"Well, I'll be a monkey's uncle. That's incredible and …" he was silent working it out, "and that means that I am actually the last of the McNaughtens and now live here in Weatherwood.["]