Verb. Based on the missed field goal by Billy Cundiff to loose the AFC championship game against the Patriots. To fail in a pressure situation, especially when the task is easily accomplished. Synonymous to choking, or pulling a LeBron in the 4th quarter.

1. Having failed at a seemingly simple and/or routine task, at a crucial moment, such as a chip-shot field goal. A form of situational incompetence brought on by sudden performance anxiety and/or unexpected changes. To Cundiff.

2. To be sharply dismissed, as from a job or situation, often, but not necessarily as a result of Cundiffing a task or tasks. In reference to kicker Billy Cundiff's dismissal from the Baltimore Ravens prior to the 2012 season.