1. in a pucker : 激动, 慌张；
2. pucker up : 使缩拢；
不及物动词
1. （使）（脸）起皱；（使）（嘴）撅起
When a part of your face puckers or when you pucker it, it becomes tight or stretched, often because you are trying not to cry or are going to kiss someone.
1. an irregular fold in an otherwise even surface (as in cloth)
Synonym: ruck