noun
face with no make-up; bare face
Colloquial term for a face without any make-up. Often used in casual conversation.
今日はすっぴんで出かけた。
I went out with no make-up today.
彼女のすっぴんはとてもきれいだ。
Her bare face is very beautiful.
noun
sobriety; being sober
Colloquial use for being sober, i.e., not under the influence of alcohol. Often used in the phrase すっぴんで飲む (to drink without being drunk).
今日はすっぴんで飲み会に参加した。
I attended the drinking party sober today.
noun
having no class (in RPGs); jobless
Video game slang for a character without a class or job, especially in RPGs. Also used more broadly for being jobless.
このゲームでは、すっぴんの状態からクラスを選ぶ。
In this game, you choose a class from the jobless state.
Derived from 素 (す, 'bare') + っぴん, an emphatic suffix. The exact origin of っぴん is uncertain, but it may be related to 品 (ひん) or a sound change from ぴんと.