laughterbater
"guy 1 knows what guy 2 is going to say beforehand, making him a laughterbater  guy 1: "what are you wearing?"  guy 2: "nothing
someone who sets himself up to laugh, either alone or in a group
""guy 1 knows what guy 2 is going to say beforehand, making him a laughterbater  guy 1: "what are you wearing?"  guy 2: "nothing" What is the definition of "laughterbater"?