expression, godan verb (-ru)
pinch someone's cheek
Literal physical action of pinching another person's cheek, often playfully or affectionately.
祖母は私の頬をつねって「大きくなったね」と言った。
My grandmother pinched my cheek and said, 'You've grown.'
expression, godan verb (-ru)
pinch one's own cheek (to check if dreaming)
Idiomatic use: pinching one's own cheek to confirm reality, especially after surprising good news or a fortunate event.
合格通知を見て、思わず頬をつねった。
When I saw the acceptance letter, I couldn't help but pinch my cheek.