Example 1
Person 1: I tried to stealth out of my house to join a party to hunt for girls but I aggroed both of my parents and failed my quest.

Person 2: Nice usage of gaminology there.

Example 2
Person 1: Yo, I'm going to school.
Person 2. Yeah you need to level up your intelligence and knowledge. Good luck with the grind.
Person 1: Dude stop with the gaminology.

Example 3
In the 2010 version of Clash of The Titans, Perseus seemingly leveled up from fisherman to elite warrior in a matter of days without any real training. With the epic sword, epic flying mount Pegasus, and Medusa's head he soloed the two raid bosses, Kraken and Hades, with relative ease.