The posterior-related size-rating (i.e., the maximum width, weight, volume, etc. that can be safely supported/accommodated) of a sitting-device of some kind, such as a lawn/office chair, bus/airplane seat, etc.
I saw an ad-message on FreeCycle from a lady who was looking for a wheelchair for her super-corpulent husband, so I contacted her about a couple of standard wheelchairs that I had; she regretfully replied, however, that she needed a chair with considerably greater capassity than the ones I had.
by QuacksO May 27, 2019
Get the capassitymug. by bopgirl February 12, 2010
Get the Capassitymug. someone who cannot wipe his butt clean and needs help. Someone who crosses his arms when he walks.
You are a big capass
You are a big capass
by breadbandit September 8, 2006
Get the capassmug.