also: かれぴっぴ
noun
boyfriend; almost boyfriend
Playful, girly slang for a boyfriend or a guy who is not quite a boyfriend yet. Often used by young women in casual conversation or social media. The reduplication gives a cute, affectionate feel.
See also: 彼氏
彼ピッピとデートしてきた！
I went on a date with my boyfriend!
まだ彼ピッピって呼べるかわかんないけど、いい感じの人がいるんだ。
I'm not sure if I can call him my boyfriend yet, but there's a guy I'm getting along with.
A playful reduplication of 彼 (かれ, 'he/boyfriend'), with the second part changed to ピッピ or ぴっぴ for a cute, bouncy sound. Likely originated as youth slang.