noun
girl who uses 'ore'
Manga/anime slang for a young female character who refers to herself with the masculine first-person pronoun 俺 (ore), often implying a tomboyish or tough personality.
See also: 俺 (おれ)
あのオレっ娘キャラは、一人称が「俺」で、男勝りな性格だ。
That orekko character uses 'ore' for herself and has a boyish personality.
最近の漫画には、オレっ娘ヒロインがよく登場する。
In recent manga, orekko heroines often appear.
The masculine first-person pronoun itself; オレっ娘 specifically refers to a girl who uses it.
A girl who uses the softer masculine pronoun 僕 (boku); オレっ娘 is rougher and more assertive.
Compound of 俺 (ore, 'I, me', masculine first-person pronoun) + 娘 (ko, 'girl'), with the diminutive suffix っ子 (kko) implying a characteristic trait. The term likely originated in otaku/manga culture to describe a character archetype.