The act of audibly laughing for an extended period of
time to the point of getting a physical abdominal workout. (Laughing so
hard your abs start to
hurt).
A : "Hey, wanna go work out at the gym later?"
B : "Nah, I'm feeling
pretty lazy today...wanna go see
Jackass 3D instead? My friend told me he got some lolercise watching it."
A : "Yeah sure. I needed to work abs today anyway."