Qiúsài jiéshù hòu, qiúmí men fēngyōng yǒngchū tǐyùchǎng.
After the match ended, fans swarmed out of the stadium.
Tips
memory
蜂 = bee, 拥 = to crowd/embrace. Imagine bees swarming out of a hive - that's exactly the image 蜂拥 captures. It's almost always followed by a direction word, like 蜂拥而至 (swarm to a place) or 蜂拥而上 (swarm upward).