An annoying abbrieviation for “Best Friends Since Kindergarten” that only annoying, white girls use on social media excessively to encourage questions about it for attention.
Annoying white girl: Omg my BFSK is coming over! She’s my BFSK and we are going to do BFSK things together because we are BFSKs.
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".