Take a hike (5)
(Other definitions for scram that I've seen before include "In slang, go away and beat it" , "Skedaddle!" , "Go away quickly" , "Beat it, get lost, go away" , "Clear off!" .)
(Other definitions for tramp that I've seen before include "Itinerant" , "Walk heavily - steamer" , "Vagrant, hobo" , "sometimes harboured?" , "Tread heavily (on)" .)