The act of recharging either a battery or your own energies. Especially fun to use due to it sounding similar to retardation.
1. guy 1 "My cell is almost dead", guy 2 "better get your rechargation on"
2. guy 1"I am taking a break from blogging. I need to rest and recharge my creative juices.", guy 2 "Enjoy your rest and rechargation!"