1. n. - Someone who commits cowardly acts and refuses to take responsibility for them, usually getting peers in trouble. Often tries to put others down with insults that a person with the intelect of a snail could think of. Never lends money, never does favors, does not give a f_ck if you go and jump of a cliff. A crappy friend, relies and depends on other people misery for pleasure.
"Josh is such a f_ucking douche bag, he put dog sh_t in my backpack and told me it wasn't him, then asked me for a dollar for a water bottle... i pushed him to the floor and he cracked up and told me to get a life."