自黑

自黑	zì hēi	(slang) to self-deprecate; to make fun of oneself
自	zì	(bound form) self; oneself / from; since / naturally; as a matter of course
黑	Hēi	short name for Heilongjiang 黑龙江
黑	hēi	black / dark / sinister / secret / shady / illegal / to hide (sth) away / to vilify / (loanword) to hack (computing)