哟哟切克闹他是我的你别闹哟哟切克闹她是我的你别闹
[yo yo qiè kè nào tā shì wŏ de nĭ bié nào yo yo qiè kè nào tā shì wŏ de nĭ bié nào]
'Yoyo check know, he/she is mine don't mess around,' is a trendy and playful way to express possession of a romantic interest. 'Yoyo cheke know' became popular on the Internet as part of internet slang which adds fun flair into a territorial proclamation.