To get rid of pimple overnight is maybe a wish for someone who has problem with pimples. Pimple could ruining your whole day even with a small size one. Pimple on lip is the most embarrassing kind of pimple that anyone could had. They can't be hidden by cosmetics or beauty powder. So most people would take a shortcut by popping them, but unfortunately, instead of making them disappear this way will only make your pimple get worse if you do it with the wrong way.
If you want to pop pimples on your face, you have to make sure that you do it with the safe way. But still it's recommended to go to your trusted dermatologist to have them go away forever. You could use methods like using a sterilized needle to pop your pimple on lip.
One thing you should know that pimple or acne is an effect when you got your skin dirty, so your skin pores will be blocked by some dirt and that surely will make pimple or acne show up.