The first entry of the song list is 生日快乐恶搞版 (happy birthday prank version) and the fifth is 尼玛情歌 (Nima love song, where Nima is a homophone of 你妈, your mother).

The first entry of the song list is 生日快乐恶搞版 (happy birthday prank version) and the fifth is 尼玛情歌 (Nima love song, where Nima is a homophone of 你妈, your mother). I suspect whoever selected the songs for that cactus was well aware of what they were doing when including the Polish song, and they were having great fun.