氓哔
[máng bì]
It combines two uncommon words that might not make obvious sense combined: '氓(meng)', which can mean villainous folks or country bumpkins; and '哔(bi)', often representing nonsense sound. It might suggest a nonsensical or silly nature to the person using it. It’s quite a unique term and may hint playfulness, eccentricity and defiance of conventions, indicating nonconformist traits.