it's like "veg out" or just "veg"

賴皮：刁鑽撒潑、不講道理

賴皮：刁鑽撒潑、不講道理

“赖”有赖皮，不要脸的意思！

賴 here means "to cling, to hang onto". So the sentence literally means that even if it means death, he will cling onto whatever it is and refuse to leave.