拉钩上吊一百年不许变
[lā gōu shàng diào yī băi nián bù xŭ biàn]
This internet name reflects a playful promise of loyalty and steadfast friendship or love. 'Hook pinky fingers' ('拉钩') is an action similar to making a solemn vow between close friends, while the phrase promises an unwavering bond that lasts through even a century. It's often used between people who want to make sure their relationship doesn't change no matter what.