Top definition
An event where non people, i.e artists and transgender folk, gather to strip naked and slap each others bodies whilst wearing false nails. Towards the end of the event, the tide turns from innocent naked slapping into an intense sexual affair where the slap of pelvic thrust against chafed buttocks gives it the name 'Briggsy Slap Up'
A group of funny folk were spotted catching the next mini bus to the Briggsy Slap Up
by Rubber Sheath September 19, 2006
Get the mug
Get a Briggsy Slap Up mug for your brother-in-law Manafort.