Someone whom on the surface is clearly an arse however its not until you dig much deeper you realise just how big an arse they really are (based on the concept of only 1/8 of an iceberg being above water)
After another three hour longmeeting between S & R, S discovered how much of an arseberg R really was.
A woman who is moderately slim above the waist but seven tenths of her mass is below the waterline. Dangerous if you cruise by too close without paying attention.
I met this pretty girl working at the papershop today, but when she turned away from the counter to get my fags I realised to my horror, that she was in fact a bit of an arseburg.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.