疼那么一次也就够了
[téng nèi me yī cì yĕ jiù gòu le]
This name translates to 'Once is enough to be in pain'. It conveys the feeling that the owner has been hurt deeply, and implies they don't wish for a recurrence of such pain. There may have been emotional or physical trauma which led them to create this username as a reminder or statement about their personal journey.