"buttmaster" is a new zealand slang term for someone that is considered to be very good at everything s/he tries. usually exceptionally good looking with chiseled features. a buttmaster is typically found inside a pub.
ben the polak is such a buttmaster that i've never seen him fail anything he has tried. he has chiseled good looks too.
The name of a fart that passes through a damp or soiled ass crevasse in which it makes a light but pronounced clappingsound.
As I sat nervously awaiting for my job interview to start, I tried to hold onto my fart but slipped and released a buttfutter.....I didn't get the job.