Another one, for me: "Working..." in monotone, of course. Also, the South Park variant, "Working, bark, bark..."
Windows Vista and computer updates, in general, cause this reaction from me.
I also use "Make it so", "Engage" and "No intelligent life here".
Recently, I have been teaching my friend's son to drive my truck. When I said, "Is the parking brake on?" he gave me a look that would kill most normal people...
At least, he got the reference.
“When all Americans are treated as equal, no matter who they are or whom they love, we are all more free.” -Pres. Obama
"A great democracy does not make it harder to vote than to buy an assault weapon." -Pres. Clinton