a shit that causes a terrific amount of pain and suffering, however to have one is the sign of a true man.
This comes from the war of independence when food was so scarce, dead British soldiers were eaten (by then the bodies were maggot ridden) and the rotting meat would cause discomfort when toilet time approached.
The most common type of rock climbing photo. Your climbing partner takes a photograph of you leading the most awesome pitch of the most fantastic climbing route and since she is below you, all she gets in the image is your butt. Common in climbing gyms too.
Billy photographed me climbing that spectacular 5.12 overhanging offwidth "Bloody Elbows" and all he got was a buttshot.