The act of putting two [[Pringles]]-brand [[potato chips]] in one's mouth in a way that makes it look like a character has an open [[duck]]'s bill. Popularized by TV ads of the chip that showed people doing so.

It can work with other similarly-shaped brands of chips, but [[Pringles]] are more likely to stay fully intact, because they're kept in a cardboard tube, instead of a bag. Japan also has a similar brand of stackable potato chips called [[Chip Star]].

h4. See also

* [[Bugles on fingers]]