Blue Funk is a term used to describe a feeling of depression or sadness. SNIT is an acronym for 'Sulking, Nervousness, Irritability, and Tension, ' which are all symptoms of depression. INA is an acronym for 'Inner Negative Attitude, ' which is a negative outlook on life that can be caused by depression. MOODOFDOOM is an expression used to describe a feeling of impending doom or gloom, which is often associated with depression.