Convivial post-run piss-take session at which down-downs are usually presented to hares, visitors, returners, sinners and leavers.

assembly of hashers at trail's end, normally for the purpose of conducting down-downs "Checking": answer shouted by FRB to pack when asked "Are You?", indicating that FRB has not determined whether the trail he's following is true or false

post-run session where down-downs and other presentations are made

The time after the pack has finished the trail when miscreants, visitors, virgins and other deviants are punished with a down down. Usually run by the RA or the GM (or both).

the geometric shape within a circle-packed crease pattern that represents a leaf edge in the tree graph. That is, the circle identifies the minimum paper that must be allocated for a free flap.