I had no trouble at all parsing this question.

[snarp]

Upon telling Dad to choose between two different SD cards for his camera:

Dad: Is one jig-a-big a big?

Me: Yes.

(Crossposted to SarahPin.com, Dreamwidth, and LiveJournal. You can leave comments at whichever.)

Comments

[snarp]

I'm getting worried about Alzheimers!

(The translation is "Is one gigabyte enough?")