A person who is very good at flaunting wealth. Overly stylish or expensive in taste. Fossy. Example: Referring to a lady wearing furs, walking two French Poodles: That new Beaufont hairstyle makes Gigi look like even more of a fossmaster.
FOSSMASTER
Meaning of FOSSMASTER in English
Slang English vocab. Английский сленговый словарь. 2012