"wait upon you"
Wordplay
Act 2,
Scene 2
Lines 264-269
Both
Hamlet
Rosencrantz
Rosencrantz and Guildenstern mean that they will wait and go in with Hamlet. But Hamlet, with a bit of wordplay, intentionally misinterprets them. He responds as if Rosencrantz and Guildenstern were being subservient, offering to wait on him as servants.