Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Verb: pucker up
  1. To purse or contract one's lips, especially in preparation for a kiss
    "She puckered up and leaned in for a smooch"
     
  2. [informal] To prepare oneself for an unpleasant experience
    "You'd better pucker up, this medicine tastes awful"

Derived forms: puckering up, puckers up, puckered up

Encyclopedia: Pucker up