last-gasp en · ADJ
Etymology
From the figurative attributive usage of last gasp.
Meanings
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(colloquial, not-comparable) Happening at the very end of an event.
Then, as the Sunderland fans' cheers bellowed around the stadium, United's title bid was over when it became apparent City had pinched a last-gasp winner to seal their first title in 44 years.
2012 May 13, Alistair Magowan, “Sunderland 0-1 Man Utd”, in BBC Sport: