Fat obtained by overuse of Bukcfast Tonic Wine.
'Gary's been on a bender for four days straight now. You should see his buckfat, actual worse than Afty's!'
by David McConnell March 22, 2007
1 more definition
buckfat is a very rare species of animal. it only moves when there is food in sight. it never runs or does exersise unless there is food around. dont go near one if you have food you dont want to loose it will rip you apart
buckfat is an imense animal
by buckfat February 28, 2008