A flash hold HAD always been a hold after a nudge. However, like previously discussed, some machnines had features/sub games that flashed the reels once - very fast. this was then known as a flash hold.
so, old timers call them flash holds, newbies call it the long winded hold after the nudge.
yawn
sorry to keep you up nails...........the hour clock change obviously has its effects on you !