忖度マスク
Meanings
1
wearing a mask just to avoid standing out or upsetting others; peer-pressure mask-wearing
Colloquial term from the COVID-19 pandemic. Describes wearing a mask not for health reasons but because of social pressure or fear of being judged. 忖度 means 'surmising others' feelings' or 'reading the room'.
Even though infections have settled down, many people can't stop wearing a mask just to avoid standing out.
He doesn't really want to wear a mask, but he keeps doing it because he's worried about what others think.