Bùguǎn nǐ fā shénme, pēnzi dōu néng zhǎodào mà de jiǎodù.
No matter what you post, trolls will find an angle to attack.
Tips
usage
More general than 键盘侠 or 杠精. A 喷子 is anyone who aggressively attacks and insults online. '喷' alone is a verb meaning 'to flame/roast someone': '别喷我' (don't flame me).
