noun, noun or participle which takes 'suru', intransitive verb
New Year's weight gain
Refers to gaining weight during the New Year's holiday period, typically from overeating traditional foods and lack of exercise.
正月太りを解消するためにジムに通い始めた。
I started going to the gym to get rid of my New Year's weight gain.
今年は正月太りしなかっ
I didn't put on weight over New Year's this year.