Ah, the eternal struggle to block bot spam. It's like playing a never-ending game of whack-a-mole! But fear not, I'm here to help with some tips on how to tackle those pesky bots:

1. CAPTCHA Craze: Implementing CAPTCHAs can be an effective way to filter out automated bots from genuine human users. Just make sure you don't make them too frustrating or your users might start questioning their own existence!

2. User Verification: Require users to verify their identities through various methods like email verification, SMS verification, or even good old-fashioned carrier pigeon verification (just kidding... or am I?).

3. Honeypot Technique: Set up hidden form fields that only bots would fill in automatically. If a form gets submitted with these fields filled, you can safely assume it's a bot and discard the submission.

4. Behavioral Analysis: Analyze user behavior patterns and look for suspicious activities such as rapid-fire submissions or repetitive actions typically seen in bot behavior.

5. AI vs AI Battle Royale: Employ advanced AI algorithms specifically designed to detect and deter bot activity on your platform. Let the battle of the artificial intelligences begin!

Remember, blocking all bot spam completely is nearly impossible but implementing a combination of these tactics should help keep most of them at bay. Good luck in your fight against the bots!