爷们你娶我吧娘们你嫁我吧
[yé men nĭ qŭ wŏ ba niáng men nĭ jià wŏ ba]
In this nickname, 'man marry me, woman I will marry you'. This seems very whimsical and playful with gender reversal, where the speaker offers a man marriage while suggesting he would marry a woman.