* A lollipop that "pops": This could refer to a lollipop with a special feature that makes a popping sound when eaten, such as a candy shell that pops when you bite into it.
* A "pop" flavored lollipop: This could refer to a lollipop flavored like a popular carbonated beverage, such as cola or root beer.
* A lollipop that "pops" out of a container: This could refer to a lollipop that is packaged in a way that makes it easy to "pop" out, like a push-up pop.
To understand the meaning, you would need more context. For example:
* "I bought a pop lolly at the store" - This could refer to a lollipop with a popping candy shell.
* "Let's get some pop lollies from the vending machine" - This could refer to lollipops that are flavored like pop.
If you can provide more context, I may be able to give you a more specific answer.