A few explainers before this clip:
1) “Mid” refers to “mid-grade marijuana.”
2) “Is the mid still selling?” became a Twitter meme, of sorts, after a reporter asked that question to Marshawn Lynch during one of his press conferences in which he answered, “I’m thankful,” as he did with every question that day.
3) I can’t believe I just had to write 1 and 2.
Now, enjoy Mike Greenberg saying it on air without any damn clue what it means, much to the delight of Michael Smith and Jemele Hill: