backside attack

Proper: A chemistry term used to describe the transfer of electrons and subsequent bonding of a neucleophile to the back face of a molecule. The back side described is the chiral center, with subsistents in a tetrahedral formation facing away from the nucleophile. Once the backside attack is complete, the stereochemistry of the molecule is inverted.

chem eng slang: A difficult academic situation. It is often used to describe the difficulty of an assignment or a test. Synonymous with ass rape.

"Oh shit, that exam was a total backside attack!"

by Electrick April 17, 2006

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Ass Attack

An ass attack is when you are feeling completely normal without the feeling of having to take a shit. Then all of a sudden out of nowhere you have to shit and shit BAD!! You pretty much have less than one minute to find a toilet. It can happen anytime or anywhere.

I was standing in my kitchen feeling completely normal making dinner then all of a sudden I had an Ass Attack, so I ran to the bathroom and pulled my pants down just in time to make it in the toilet.

by Tim_M_G February 18, 2009

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attracks • attracktion • attack helicopter • Attack on Titan • attractive • Attack • Attack Attack! • attackle • Attack/helicopter • Attackative

estrogen attack

when a female randomly bursts into tears or acts in an overly emotional way for no apparent reason.
-can be caused by PMS but not always.
-the female is required to not know the reason why she is crying or being over emotional for it to be classified as an estrogen attack.

Girl A- I was just randomly sitting in class taking notes, and I all of a sudden felt like crying. Wtf?

Girl B- That's called an estrogen attack hon.

by vivelerockk07 April 9, 2008

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