The energy glitch occurs after receiving certain unknown amounts of inc. And when placing a new dorm mate into a fresh room. Your energy bar becomes weird and bugged and when you hit, you start using up weirdly low amounts of energy. Thanks to this glitch, I've been able to prank pin 3 people in one unload. I've seen people get up to maybe like 3x the number of hits from an unload as usual.
The added detail of a limit of one per day was dropped in that post. That would make it a more strategic decision rather than a straight up advantage.