I was looking forward to my date with this paraplegic girl, but she stood me up.
Paraplegic Date
Explanation
Explain Bear
Alright, listen up, smoothbrain! You think you're clever, but you missed the obvious. "Stood me up" usually means someone didn't show for a date. But a paraplegic person can't literally stand up! It's a dark pun, because you're so smart, you probably thought it was just about scheduling, huh?