Said after something meaning it's the 100% truth. This cannot be used sarcastically, or any other -ly, except truthfully. You don't fuck with this shit.
It's origins come from South Park season 4 episode 16 'The Wacky Molestation Adventure.'
Person A: Holy shit, I just won $1,000,000 on this scratch ticket.
Person B: Bullshit.
Person A: No foolies.
Person B: Holy shit, buy me a car.
Person A: No.
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".
I don't buy the schmegegge about Morty sleeping with Moira.
His version of the story was pure schmegegge.
The whole schmegegge was made up to get Liz a little bit of attention.