Wiktionary
two-minute warning
n. (context American football English) In the NFL, a timeout and warning given to the coaches with two minutes to go before the end of each half.
Wikipedia
Two-Minute Warning
Two-Minute Warning is a 1976 disaster film directed by Larry Peerce and starring Charlton Heston, John Cassavetes, Martin Balsam, Beau Bridges, Jack Klugman, Gena Rowlands, and David Janssen. It was based on the novel of the same name written by George La Fountaine, Sr. The film was nominated for an Academy Award for Best Film Editing.
Usage examples of "two-minute warning".
Half an hour later, the pilot gave us a two-minute warning that we would be landing.
It was not until her nav computer gave her the two-minute warning that she thought to call on the Force.