A person or persons for whatever reason have slipped to the bottom of the species intelligence grid. Possibly caused by head trauma, gestational drug use, binge drinking or simply genetic abnormalities most likely incest... Can be affected at any age and almost always permanent. The world is full of rum dumbs and nobody is policing the gene pool unfortunately!!
Oh no! Leroy fell on his head when he was younger and now he rides the short bus with the rest of the rum dumbs.
A noun referring to one who most likely has, will, or is engaging in an activity that is idiotic in nature when compared to everyone else's current activity. Much like how a group of sober people would perceive a drunk person.
"I'm going to throw that fluorescent light bulb"-Alex
"Don't throw it"- everyone else
Alex throws the light bulb and it shatters.
"Don't move police. I'm going to watch you clean that up"-Old Retired Cop
"Way to go rum-dumb"-Josh
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.