From Dungeon Crawler Carl:

I grumbled a bit about that three in intelligence. Yeah, I never did too great in math, but I never considered myself a slobbering idiot, either. I could fix most anything electrical after studying it for a bit. My friend Billy Maloney, now that guy was an idiot. Just last week we’d come out of a bar, and he’d peed right on a cop’s bicycle while the cop was giving someone else a ticket for drunk and disorderly. That guy deserved an intelligence of three, maybe two.

. . .

After I complained about my intelligence score to Mordecai, using the Billy example, he said, “Intelligence told you that bike belonged to a police officer. Wisdom told you not to urinate upon it.