An opponent who will inevitably suffer a knockout.
Glass Joe was skunked before half-time.
41👍 4👎
This chick was all over me, knocking it down is gonna be Glass Joe...
45👍 10👎
A person who is incredibly weak, or fragile.
Bob: Did you see the latest boxing match?
James: Yeah, the the opponent was such a Glass Joe, he got knocked out before the first round ended!
4👍 1👎