Simple past tense and past participle of ramble.(verb)
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Use "rambled" in a sentence
"For half an hour Ross Shanklin rambled on with his horse reminiscences, never unconscious for a moment of the supreme joy that was his through the touch of his hand on the hem of her dress."
"Griffin rambled 21 yards for a score with 2: 50 left in the third before Heupel's record-setting TD toss made it 35-14 with 15 seconds to go in the period."
"I kind of rambled on back there and probably repeated a few points, but oh well."