Proper Hello Share definition Flag A 'Proper Hello' is greeting one or more persons with either an over-the-top sexual act. A simple quickie works too... After longing for his loins for several weeks, she greeted him with a proper hello. Proper Hello by schmegma77 April 14, 2010 0 0 Get merch Get the Proper Hello mug. Buy Now — $32.95 See more merch