definition of
tump over

[1] #1 tump over v. 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". wn

[2] #2 tump over v. turn from an upright or normal position; "The big vase overturned"; "The canoe tumped over". wn