These aviation acronyms come courtesy of Genghis the Engineer who recently posted them on PPRuNe (Professional Pilots Rumour Network):
GPS – Grown-up’s Playstation System
IFR – I Follow Roads
IMC – I’ve Mucked up and can’t C
NOTAM – NO you Twit! Another Mistake
VMC – Virtually Meteorologically Clear(One from my military past)
NIMROD – NIcompoop Management Ruined Our Design