the top of the line insult. As in your the Class A of all bastards or any other insult you wanna call him/her. You can put Class A in front of almost any insult
Your a real Class A Dickhead Your a real Class A Bastard
by Mark Wilson Jr February 17, 2009
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An adjective meaning fucking awesome.
It comes from class A drugs, in other words the best drugs.
Have you seen How High?
- Yeah, dude! That's a class A movie!
by Zachiister June 24, 2011
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Electrical term, Class A Amplifier.

A class A amplifier is, simply put, one amp pushing a speaker in an out. The best way to describe it is to relate it to Class A/B. Class A/B amplifiers have 2 amps, one to push the speaker out (+), the other to pull it in (-). In guitar amps that use tubes, this means that one tube, a driver tube inverts the signal polarity before it reaches the B side.

A class A amp pushes and pulls the speaker, and thus must do more work. Most commercial (in home) amps (stereo receivers, etc.) are class A amps. Class A/B is generally used in guitar amps over 30 watts, high powered Bass amps, and professional power amps. Class A/B generally delivers the same power at double the impedance. So if an amp gets 100w per side @ 4 ohms, then it will generally get 200w bridged mono @ 8 ohms. This is rarely 100% true in practice.

Class A/B is also called "Bridging" an amp (transistor amps generally).
"The Vox AC30 is a simple Class A circut, and it runs hot! The classic Beatles sound indeed."
by Contraceptive SpongeBob November 30, 2005
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A small comical car made by Mercedes Benz which has a tendency to roll over and make squicking or squiking noises.
Generally sold to those with a sense of humour and can take a joke.
What is that hilarious thing? Its a Mercedes A Class, I know, i couldnt stop laughing when I first saw one.
by J. Lowndes August 14, 2006
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A person who is poised, graceful, mature, or exudes any of these qualities in dress, mannerism, language, and everyday life. Possesses excellent self-control, is gentle, soothing, and unoffensive.

Also used to refer to people or styles from the past; when copied, general impression of others upon seeing them is "classy", a reference to all things classic or that have class.
1. She was the epitome of class in the way she carried and presented herself.

2. They all agreed that the man who paid unwavering attention to his escort and stayed by her side all night had an unprecedented amount of class.

3. Audrey Hepburn.
by Evaine September 17, 2007
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A word used to describe something that’s amazing and cool.
“Did u hear the new song? It’s class
by What.a.gal November 20, 2018
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