What is Third-rounder?
1.
An ugly person, can be male or female. In reference to MMA (mixed martial arts) fights, which are typically scheduled for 3 five minute rounds. If the fight makes it to a decision, the fighters faces are often bloody and swollen.
Fred: I saw John last night at the bar.
Mick: Yeah did you guys throw some back?
Fred: Nah, he was already drunk and trying to hook up with a third-rounder. I think he took her home.
See
