The disease you get from listening too much Sabaton and you start hitting your right thigh to the rythm of their songs,
Bro1 : Bro, I think i've got Joakimia,
Bro2 : How can you tell?
Bro1 : Look at my thigh.
Bro2 : HOLY SHIT STOP HITTING IT!
Bro1 : I can't,