Getting a blowjob from your girlfriend/boyfriend, wife/husband or any whore for that matter, when he/she has an ice cube in there mouth.
Babey, I had a horrible day at work today, can I get glacial eratic from you tonight??
by IronMonkey 81 December 8, 2015
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Originating from the Greek analogous hóper édei deîxai (ὅπερ ἔδει δεῖξαι), meaning "which had to be demonstrated". The phrase is traditionally placed in its abbreviated form (Q.E.D.) at the end of a mathematical proof or philosophical argument. Phrase synonymous with "Quite Easily Done."
∫|Ψ(x, t)|² dx (from -infinity to infinity)= e^(2Γt/ħ) ∫|ψ|²dx(from -infinity to infinity)
The second term is independant of t, therefore Γ=0 & ∫|Ψ(x, t)|² dx (from -infinity to infinity)=∫|ψ|²dx(from -infinity to infinity)=1 {Normalized}
Q.E.D. "quod erat demonstrandum"
by justinbonito October 30, 2013
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e-Facebook-erated means to be de-platformed by Facebook
tRumpty doesn't like it, but he got e-Facebook-erated today!
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ego sum discipulus optimus. ego non sum discipulus malus. saxtus est discipulus malus.
"Veto!"

Oh right, and it's a math term. It means "what was to be demonstrated", used in proofs of innumerable math proofs.
x=-b+-root(b^2-4ac)/2a

QED (Quod Erat Demonstratem)
by [Dunbar]** February 12, 2004
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to stick a tool of education up ones buttock (preferably a pencil)
"My mother is teaching me how to erate! I am so excited!!'
by Cluckbait December 26, 2020
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Søren: yoo, Mads, Asgar has fucked your girl.
Asgar: Damn, you erat.
Everybody else: Get this erat out the group call
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