Related words 俺おれ 俺 is a common masculine first-person pronoun used broadly by men in casual contexts, while あっし is more specific to working-class men and carries a slightly old-fashioned or rough nuance.
僕ぼく 僕 is a softer, more polite masculine first-person pronoun, often used by younger men or in semi-formal situations, unlike the rough and familiar あっし .
Written forms 私
あっし Usage 88%
Kana spelling is common in informal writing and when the reading needs to be clear.
わっし Usage 12%
Variant reading わっし , less common than あっし .
Etymology Contraction of 私 (わたし ), with the initial consonant shifting from 'w' to 'a' in casual speech. The variant わっし retains the original 'w' sound.
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