Mewing
What it means
Internet meme about tongue posture and jaw exercises sold as a way to look better. Kids often joke about “mewing” mid-conversation (finger-on-lips pose) as a silly flex or silence gag—not real medical advice.
“Someone asked a hard question—bro started mewing.”
Where you might hear it
Looksmaxxing meme culture; easy to misunderstand, so kids may say it ironically.