billion-air
Not to be confused with a 'billionaire' (an individual that has amassed a personal net worth in excess of $1 billion), a billion-air is an incompetent buffoon, frequently identified by low IQ and high levels of narcissistic behavior, that has successfully turned a billion dollars into 'air'.
Showing his true ineptitude in every facet of being a good businessman or half way decent human, Donald has recently been exposed as a billion-air.