an improbable and unexpected victory; "the biggest upset since David beat Goliath"
turn from an upright or normal position; "The big vase overturned"; "The canoe tumped over"
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"
a state of extreme (usually irremediable) ruin and misfortune; "lack of funds has resulted in a catastrophe for our school system"; "his policies were a disaster"