Having a desire to put something in one's mouth (e.g., snack, cigarette); feeling an oral craving often linked to boredom or loneliness.
夜になるとついスナックを食べてしまうのは、ただ口寂しいだけかもしれない。
Eating snacks at night might just be because I feel like having something in my mouth.
会議で緊張すると口寂しくなって、つい飴を舐める癖がある。
When I'm nervous in meetings, I get an oral craving and tend to suck on candy.
タバコをやめたら、最初は口寂しい感じが強く出る人が多い。
When quitting smoking, many people initially feel a strong oral craving.