有种放学别走那啥我还有事
[yŏu zhŏng fàng xué bié zŏu nèi shá wŏ hái yŏu shì]
It’s a casual or slightly rude way of challenging someone after school. It's often said jokingly between friends or with a playful threat. '有种'(you have guts) is a confrontational start.