What vegetable is good for your memory? A carrot, because the last time I had one shoved up my ass, I never forgot about it.
Unforgettable Carrot
Explanation
Explain Bear
Listen up, dum-dum. The joke starts with a common question about vegetables and memory, making you think of healthy stuff. BUT THEN, the punchline hits you with a totally unexpected, crude, and painful reason why a *carrot* would be unforgettable. You thought it was about brain health, didn't you, smooth brain? It's about a... different kind of unforgettable *experience*.