I got a job as a garbage man, but didn't have any training. I picked it up as I went along.
Driving a garbage truck means you're a rubbish driver.
I recharged a battery I found in the garbage. It was re-volting.
I tried to tell a joke about separating your garbage, but they heard it before. The joke was recycled.
What has four wheels and flies? A garbage truck.
If a large garbage can sinks in an ocean, attempting to retrieve it would be considered dumpster diving.