A high five which does not actually take place. The THF is initiated, followed by a short pause and then the uttering of the word "nice" by both participants.
Girl: Theoretical high five!
*short pause*
Girl + Guy: Nice!
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".