你和小三要跳楼我在下面喊加油
[nĭ hé xiăo sān yào tiào lóu wŏ zài xià miàn hăn jiā yóu]
A rather dark and sarcastic expression used humorously. It mocks the situation by pretending to support dramatic actions taken by others in conflict. '小三' refers to 'the third party,' often meaning a mistress.