Acronym for Jocular Alpha Male, named so for their primary function of attempting to jam every female in sight.
Common traits include
low intelligence, superiority complex brought on by deep ceded insecurity/homoerotic denial, muscle mass consistent with steroid abuse and a predilection for jager bombs and HGH.
JAM 1: I'm so jacked right now
man! I just blasted my delts at the gym! I can't wait to hit the bar tonight, pound some jager bombs and bang some skanks!
JAM
2: I just spent the rest of my
money on HGH from China, so I can't go broski. Why don't we stay at my place, watch Brokeback Mountain and cuddle?
JAM 1: What the fuck did you just say?
JAM 2: Chill out
dude, I'm just kidding... (aside) but not really.