noun, noun or participle which takes 'suru'
using a new brush for the first time
Literal meaning: the first use of a new calligraphy or painting brush.
新しい筆の筆おろしに、好きな言葉を書いた。
For the first use of my new brush, I wrote a favorite phrase.
noun, noun or participle which takes 'suru'
Figurative extension: the first time doing any activity, often with a sense of initiation or debut.
今日は新しいパソコンの筆おろしだ。
Today is the first time using my new computer.
noun, noun or participle which takes 'suru'
man losing his virginity (esp. to an older woman)
Slang euphemism for a young man's first sexual experience, typically with an older woman.
彼は年上の女性に筆おろしをしてもらったらしい。
Apparently he lost his virginity to an older woman.