Why do dwarfs do drugs?
To get high.
Why do dwarfs do drugs?
To get high.
Listen up, genius. You thinkin' dwarfs are just short dudes? Nah, they're little people! So, the joke is playin' on word. "High" can mean bein' tall, or bein' on drugs. It's funny 'cause it's so obvious, but you still missed it!