What does “on tiptoe” mean in this sentence? Does it mean “to reach overhead bins by stretching up on tiptoe”?
To be on "tiptoes" means to stand on the balls or front edge of your feet, with your heels raised in the air. This makes people slightly taller. So when people are "on their tiptoes", it can help them reach things that are higher up. Ex: I am standing on my tiptoes but I still can't reach it. Ex: The ballet dancer wears pointe shoes to stand on tiptoes.