C1 noun /wæɡ/
Wag
お調子者; いつも冗談を言って楽しむ人
Meaning
a humorous or playful person; someone who enjoys joking around
Example
The class wag always made everyone laugh with his clever jokes.
クラスのワグは、いつも賢い冗談でみんなを笑わせていた。