tip over
    v 1: cause to overturn from an upright or normal position; "The
         cat knocked over the flower vase"; "the clumsy customer
         turned over the vase"; "he tumped over his beer" [syn:
         overturn, tip over, turn over, upset, knock over,
         bowl over, tump over]
    2: turn from an upright or normal position; "The big vase
       overturned"; "The canoe tumped over" [syn: overturn, turn
       over, tip over, tump over]