C1 noun /wæɡ/
Wag
爱开玩笑的人; 喜欢开玩笑的人
Meaning
a humorous or playful person; someone who enjoys joking around
Example
The class wag always made everyone laugh with his clever jokes.
班级的那个玩笑鬼总是用机智的笑话让大家笑出声。