Alcoholic beverage, also known as 'diesel', corresponding to 153 proof or 76.5% alcohol content. More pure than the highly spiced and more popular 151 (ie Bacardi rum). The strongest legal proof for alcoholic beverages in several states, and usually the strongest alcoholic beverage available besides Everclear. A common choice among college students for its cheapness (due to its simply being grain alcohol).
'My brother ran out of gas and made it home on 153. I'm serious.'
'153 shots will fuck you up asap but stay away from matches.'