From Wikipedia:
Duffer may refer to:
Duffer (Narnia), invisible dwarfs in the Chronicles of Narnia. Er... no
In Australian English, a cattle rustler. Not stolen any cows lately
an oaf Debatable.
Related to the above, the word has been used in Australia as a description for dags. i.e. bits of sheep poo? Don't think so.
In Chess terminology, a weak player. Rarely play chess. So by defintion, yes.
A brand of clothing. I have one of their shirts.
In Golf terminology, a below average player. Most definitely. Unlike current Masters leader Lee Westwood, who is from my neck of the woods. Top lad.
Duffer,an Italian rock-punk band. Never heard of 'em.
Take your pick!
TPBM is a pretty handy golfer though.