Simple past tense and past participle of tump.(verb)
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Use "tumped" in a sentence
"He said he thought he saw a yellow kayak and was going to help when he was overcome by the choppy water and "tumped" (Galveston dialect) over."
"My wife (from Savannah, GA) uses “tumped over,” sort of a hybrid of turned over + dumped over."
"The house burned because the cook tumped over a pan of hot lard, which exploded; or a vengeful ex-slave lit a piece of fat wood under the house and fed the fire with the last bottle of old Madeira that George Washington Gilbert, a drinking Methodist, had brought from Carolina; or Sister Mary, who was always cold-natured, stood too close to the parlor hearth at her wedding and set her veil on fire."