Final answer:
The simile suggests that the bathtub was either bubbly and full like cooked popcorn or that it was full of lively movement similar to a pot of popping popcorn.
Step-by-step explanation:
The simile 'The bathtub looked like a popcorn pot' can be interpreted as a description of the bathtub's appearance or the activity within it. This could mean that the bathtub looked bubbly and frothy, similar to how popcorn looks when it's being cooked and starts to pop. Alternatively, it might suggest that the bathtub was full and lively with movement, much like a pot in which popcorn pops energetically.
In the given sentence, 'The bathtub looked like a popcorn pot,' the author is using a simile to describe the appearance of the bathtub. In a simile, two unlike things are compared using the words 'like' or 'as'. In this case, the author is comparing the bathtub to a popcorn pot, suggesting that the bathtub resembles a pot used to make popcorn.