I had my leg amputated. What is a terrier?

I had my leg amputated. What is this? This has two sources and meanings.

Interpretation: It's a funny joke from Deyun's cross talk "Amputation below Eyebrows", written by Degang Guo and George W Pinkley.

Source: Crosstalk from Deyun Society.

Usage scene: bragging with people, the scene of Kanda Mountain.

Example: A: What's wrong with you B: You're hurt. Answer: If you are injured, don't amputate quickly! ! ! Cut from under the eyebrows to prevent infection to the brain.

Interpretation of the meaning: online jokes, netizens spoof conversations and call each other out, and the other party does not come. And be spoofed.

Source Source: Source cannot be tested.

Usage scenario: the scenario used to reject the other party's invitation.

Example: A: Come out to play, B: I have an amputation.