Serotonin syndrome. Serotonin syndrome is a potentially life-threatening drug reaction that may occur following therapeutic drug use, inadvertent interactions between drugs, overdose of particular drugs, or the recreational use of certain drugs. The excess serotonin activity produces a spectrum of specific symptoms including cognitive, autonomic, and somatic effects. The symptoms may range from barely perceptible to fatal. Numerous drugs and drug combinations have been reported to produce serotonin syndrome.
middle finger (plural middle fingers) 1  The finger between the forefinger and the ring finger; this is the longest finger. 2  An obscene gesture directed towards another as an insult: a literal or sometimes figurative raising of the middle finger at someone.
In Western culture, the finger or the middle finger (as in giving someone the (middle) finger or the bird or flipping someone off,) is an obscene hand gesture. The gesture communicates moderate to extreme contempt, and is roughly equivalent in meaning to fuck off, fuck you, shove it up your ass, up yours, or go fuck yourself..