What is Chapman?
1.
the act of straching your sweaty balls and then sniffing your fingers
Matt went to the bathroom so he could be alone while he had some chapman time with his basketball playin' nuts
2.
Activities which warrant an unpleasant or unsympathetic reaction
Dave : can I borrow a dollar?
Jimmy: Sorry, I have just purchased some boiled lollies and an iced treat. My various monies have been depleted.
Dave: (period of silence)... CHAAAAPMAAANNN.
other variations include : Chapman that, Chapman on you, Chaps, Chappers.
See