noun
person sensitive to cold; person who feels the cold easily
Describes someone who dislikes cold weather or gets cold easily. Often used in a slightly self-deprecating or teasing way.
See also: 寒がり
私は寒がりやなので、冬は厚着をします。
I'm sensitive to cold, so I wear thick clothes in winter.
彼は寒がりやで、すぐに暖房をつける。
He feels the cold easily and turns on the heater right away.
寒がり is a noun/adjective meaning 'sensitivity to cold' or 'being sensitive to cold', while 寒がりや refers to a person with that trait.
Compound of 寒がり (sensitivity to cold) + 屋 (person suffix).