I had the same issue! Perhaps being another dapangzi is the problem here lol

I'm not familiar with this slang: what's a big plate?

	▲	allan_s 5 hours ago \| parent \| next [-]
		It's a slang for somebody fat. 子 does not carry a specific meaning it is more a character with grammatical function to nominative
	▲	dirteater_ 6 hours ago \| parent \| prev [-]
		the commenter's username (i'm guessing they mean 大胖子, feel free to google translate)