(名詞/不可數) 封城腳 － 在新冠肺炎 (COVID-19) 封城 (lockdown) 期間，待在家裡的人不是打赤腳就是穿拖鞋，一段時間後，雙腳就開始變形而成為「封城腳」，難以再穿得下之前正常的鞋子或穿下後腳會痛。
Have you got "lockdown foot"? We've all re-shaped our feet going barefoot at home so here are 5 simple ways to get back into shoes without damaging yours. Thanks to being mostly housebound, we've all been living in slippers or barefoot – and according to one expert, it's had a major effect on the state of our feet.
[glamourmagazine.co.uk, 18 May 2021]