an opportunity for baristas to come together and pull shots, learn more, and essentially nerd out for one or more days. Those that drive ridiculous distances to attend these as possible are considered to be 'jam whores'
"Dude, are you going to the barista jam next weekend? I heard there's gonna be a latte art throw down!"
"No...it's like 7 hours away! I'm not a jam whore like you."