One. No, two! No, four! No, eight! No, sixteen! No, thirty-two! ...
Two. One to do it, a second to keep yelling, "You're lookin' BIG, man!"
Twenty. 1 to drop it, 19 to go "Pick it up, pick it up, pick it up".
The bear minimum
Californians don't screw in lightbulbs, they screw in hot tubs. (I remember this from the 1970s when I was in middle school. It's one of my first dirty jokes)
Two Thirty.