T-Rex: Let me tell you about the time I volunteered as a...
T-Rex: LIFE DRAWING MODEL!
T-Rex: They gave me a dressing gown. It was so embarrassing. But I got over my fear...
T-Rex: and put it on!
Utahraptor: That was you? I didn't recognise you with clothing on.
T-Rex: You're in the class?
Utahraptor: Well not next week. That's just weird, man!
The author writes:
Alternate final panel punchline:
T-Rex: That's what she said!
Actually, try that with literally any other Dinosaur Comic.