A short 'n' simple slang with a lil euphoric twist, to describe 'slot-machine gaming with an ultimate goal of bankrupting the casino', but we know that'll never ever be possible, hence, the euphoria is well provided by using this word.
The word 'praam' were formed based on the SOUND of a slot-machine's ALARM BELL RINGS whenever a 'FREE-SPIN, BONUS GAME, 5 of a kind and all the minor to random jackpots' are triggered.
"Yo, get up! We're in Vegas! Let's praam the F out of MGM Grand!