菇凉我喝着脉动割动脉
[gū liáng wŏ hē zhe mài dòng gē dòng mài]
It expresses deep depression in a rather dramatic way. 'Gu liang' (菇凉) means 'girl' in an internet slang way; drinking Pulse (a sport drink brand), and the rest indicates harmful behavior, but it's used sarcastically.