1.when one gets excited about something and goes "ooooooh scooooob"
2.when one starts bragging and talking about their subwoofers
3.when one decides to all of a sudden hit a person in the shoulder until they hit back.
1. dude you're hickmaning again.
2. are you proud of hickmaning on him?
3. hold on a sec bro, this guy is hickmaning.