"Rolling On Floor Laughing Quietly To Myself My Fucking Ass Off." That's the oddest accumulation of ROLFMFAO and LQTM abbrevations I've ever seen.
To use with moderation.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".