Blowup

1. To psychologically implode, self-destruct, or otherwise dust-off a worthwhile stack in a poker tournament.

Matusow Blowup

There was a time when poker player Mike Matusow was so known for his self-destructive tendencies deep in tournaments that the term "Matusow Blowup" was coined as a result.

Although the following clips do not illustrate "Matusow blowups" in any typical or significant sense, Poker Terms loves to celebrate his heart-on-sleeve moments as often as possible: