Q.E.D

guy1:see that hot bitch over there, i would so do her

guy2:i wouldn't

guy1:OMG u must be gay.. LOLOLOL ur gay..

guy2:no bitch, she's ma sister.. Q.E.D
by Mr Hobo August 22, 2009
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Q.E.D.

1. Abbreviation of the Latin phrase "quod erat demonstrandum; literally, "that which was to be demonstrated". Commonly used at the end of mathematical proofs to signify the proof is complete.

2. Modern usage expands it to include the conclusion of any proof and is often used in attempts at ironic humor.

3. Quantum electrodynamics.
1. If A=B and B=C then A=C. Q.E.D.

2. Beckham and Ronaldo move to MLS. MLS attracts more fans and makes more money. More money attracts more quality players. More quality players make USA competitive. USA wins World Cup. Q.E.D.

by Alan the Atheist Alphageek April 30, 2008
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Q.E.D.

A Mathmeticians way of saying "I win"
Mathmetician: Q.E.D., Fuckface.
by Really Bored July 02, 2005
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q.e.d.

Abbr. of quod erat demonstrandum, lit. "which was demonstrated";
cf. res ipse loquitur (the thing speaks for itself), circumstantial evidence, the "smoking gun"
by latlit July 21, 2003
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Q.E.D.

Formally used at the end of mathematical proofs to indicate their completion, informally to indicate an argument has been won. Literally "Which was to be demonstrated" (not just "which was demonstrated").
... Yeah well, I checked; they don't make dildos that big. Q.E.D.
by CletusInteruptus April 30, 2008
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Q.E.D.

A word used by intellectuals that, apparently, they are quite sensitive about if you translate incorrectly. Causes redness and itching on mathemeticians when misused.
Bert- "Q.E.D. means "quit earning dough." It's what you do when you decide to become a professor, right?

Professor Hubert, PHD- "I hate you, I hate you, I hate you!"
by Doctor Feltgood May 14, 2008
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q.e.d.

abbreviation for Latin- "Quam Effusio Deleo," or 'How one annhialates enthusiasm, excitement, interest.' when someone uses this term in any form, understand they are trying to put you to sleep and violate you while you drowse, and probably take your wallet, regardless of how smart they sound, that drone you're hearing is only a substitute for the hypnotist's watch.
Professor Blumpkin finished his thesis with "and so you can clearly understand what I have demonstrated. It is simple, Q.E.D. The next thing I knew someone from the back row of the lecture hall was yelling, "Yo, Jimmy, look out" I roused myself to see Blumpkin removing his hand from my crotchal area. "What?" He protested, "I had just dropped my laser pointer, is all."
by Clevelend Steamer, PHD May 11, 2008
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