Submid, sub mid, or sub-mid, means something below mid, or lower than mid tier, otherwise known as sub-mid. It is a more insulting phrase than calling something or someone mid, stating that said item is not even mid tier.

This term was created by a teacher Mr. Fish; credit goes to him
1: “God, that movie was so bad”
2: “Yeah man I agree. It’s definitely sub-mid at best.”
by SuccSuccMan April 26, 2022
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