You're too much!
1. Inf. You are too much of a problem for me. Andy: You're too much! I'm going to report you to the head office! Bob: Go ahead. See if I care. Bob: Get out! Just go home! You're too much! Andy: What did I do? Bob: You're a pest!
2. . Inf. You are just too funny, clever, entertaining, etc. Alice: Oh, Fred, that was really funny. You're too much! Fred: I do my best. Sally: What a clever thing to say! You're too much! Andy: Actually, I didn't make it up myself.