Puckers up is a commonly used phrase that refers to the act of pursing one's lips tightly together. Synonyms for this phrase include puckers, purses, tightens, constricts, compresses, presses, and firms. These synonyms are often used in different contexts to describe different degrees of puckering or pursing. For example, tightening or compressing one's lips may indicate a greater intensity or seriousness than simply puckering or pursing them. Regardless of the context or the synonyms used, the act of puckering up is a natural and ubiquitous human gesture used to convey a range of emotions, from affection to disagreement.