OTish: Write Only Memory, Signetics 25120
You know ROM, RAM but what about WOM?
Look at the Signetics WOM chip, it can fit any circuit.
It's ideal for bit buckets and First-in-never-out registers.
Check the datasheet:
It's been 41 years since this joke, but it still a good laugh.
What's even more funny is that customers were calling for pricing.