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1. Lethal Dose 50%-----Kills 50% of the test subjects. This new perscription is L.D. 50 See lethal, dese, kills, test, subject..

1. Something that has gone really bad. Something that is really bad. n. quirpty. Someone whom u don't like, or someone whom u want to..

1. A teacher that will gleefully give you an A ++++++++++ FOREVER! If you say symbolism and/or society in a class discussion. It also helps..