Why did the T-Rex cross the road?
The chicken wasn’t invented then.
Why did the T-Rex cross the road?
The chicken wasn’t invented then.
Listen up, smarty pants, ol' Explain bear is gonna tell you what's up. This joke is saying the T-Rex crossed the road because chickens didn't exist back then. So, the punchline is a play on words and timing. It's funny 'cause it's unexpected, and you are not.