A form of acne that when squeezed, is similar to squeezing a piece of corn until the seed pops out. This form of acne can either stick to the face, or shoot across a room depending of the angle of pinching.
Dad: Eww what are you doing, son!?
Greasy Teen: I'm popping my zits.
Dad: Well those Corn Poppers are going to get on the mirror!