That sparked bedlam in a near-capacity crowd of more than 38,000 in Gabon’s capital, made up in its majority by Cameroonian supporters.
It is a fifth Cup of Nations crown for the Indomitable Lions, a first since 2002, and the first time they have beaten Egypt in the final in three attempts.
Egypt fell just short on their return to the competition after a seven-year absence, and the defeat will be especially painful for their coach Hector Cuper.
The Argentine was desperate to win a trophy after a career tainted by rotten luck in finals at club level, including back-to-back defeats in the UEFA Champions League with Valencia at the start of the last decade.
The host of AFCON 2019, Cameroon will be traveling in June this year to represent the African soil at the Russia 2017 FIFA Confederations Cup.