The act of vaping then giving your significant other a blowjob, blowing the smoker into the urethra and letting the smoke come out making it look like a steam pipe on a train.
When a couple is having sex in a sauna, both dressed in railroad conductor outfits, the woman doggy-style position, and the man doing her from behind. Then, right when the male partner is about to explode with jizz, he takes it out of the ass or vagina and points his penis up in the air and says "All Aboard!!" This is supposed torepresent a steampipe from a train.
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.