noun which may take the genitive case particle 'no', noun
naked above the waist; shirtless
Slang abbreviation of 上半身裸. Used informally to describe someone not wearing a shirt or top.
See also: 上半身裸
夏はよく上裸で過ごす。
In summer I often go shirtless.
彼は上裸のまま庭に出た。
He went out into the garden still naked from the waist up.