When they were naming the animals, somebody got lazy: anteater? What's it doing? It's eating ants. DONE!
When someone describes themself as a taxpayer, they're about to be an asshole.
Let no man's deathbed be a futon.
A drunk driver is very dangerous. So is a drunk backseat driver if he's persuasive.
I want to get the joke to work without having to put any words or to say anything. I just want the person to look at it, and quietly in their brain, they can just put it together and say, "Cool, that one works".
It's always helpful to remember that in the grand scheme of things you are much more important than... um, wait, than... something, maybe.