你相公的媳妇是个幼稚鬼哎你媳妇的相公是个大逗比阿
[nĭ xiāng gōng de xí fù shì gè yòu zhì guĭ āi nĭ xí fù de xiāng gōng shì gè dà dòu bĭ ā]
This nickname says, 'Your husband's wife is a childish ghost; Ah, your wife's husband is a huge dork.', it implies the playful teasing of relationships, likely meant humorously but possibly seen negatively depending on context.