2 definitions by blnvs

Top Definition
Acronym for 'Just Another Mother-Fucking Arsehole Geo', in common use amongst exploration drillers in particular in the goldfields of Australia to refer to geologists.
"Which Jim? The JAMFAG Jim or JAFFA Jim?"
#expletives #exploration #mining #slang #profanity
by blnvs January 29, 2008
Acronym for 'Just Another Fucking Field Assistant', in common use in the goldfields of Australia to refer to Field Assistants.
"Which Phil? The JAFFA or the JAMFAG?"
#expletives #exploration #mining #slang #profanity
by blnvs January 29, 2008
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