Originally just the definition for getting a relaxing "high" from smoking sheesha but has been adapted to mean getting high, drunk or super ma'fuck'n done.
Thomas: Mrs. Parr, I just wanna get sheeshed.
Kirk: Yeah man, pass that water bottle. *takes a drink* fuck, that's rough!
Mrs. Parr: Oh, you guys...
When you're so high from tree+dabs you think of another word for being extremely high. Replacing zooted/stoned/retarded etc. The term was originally coined by Action Bronson on Viceland's "Travelling the Stars with Action Bronson, Ancient Aliens 420 Special"
"Holy fuckwatts I'm fucking smeshed after that last dab man, this live resin is insane"
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".