laugh (one) off the stage
To cause or pressure one to leave a stage or other such area by laughing at them derisively. Often used in passive constructions. What if I forget all the words to the song? What if I get laughed off the stage? They all laughed him off the state for suggesting doing away with the current tax system.
laugh someone off the stage
Fig. to laugh rudely, forcing a person to leave a stage. The rude audience laughed the politician off the stage. The children laughed the soprano off the stage. She really wasn't very good, you know.