shake off
     v 1: get rid of; "I couldn't shake the car that was following me"
          [syn: {shake}, {throw off}, {escape from}]
     2: get rid of; "he shed his image as a pushy boss"; "shed your
        clothes" [syn: {shed}, {cast}, {cast off}, {throw}, {throw
        off}, {throw away}, {drop}]
Source: WordNet® 2.0