adverb on a railroad flatcar.
— synonyms: pickaback, pig-a-back
adverb on the back or shoulder or astraddle on the hip.
— synonyms: pickaback, pig-a-back
verb ride on someone's shoulders or back.
verb haul truck trailers loaded with commodities on railroad cars.
verb haul by railroad car.
verb support on the back and shoulders.
verb bring into alignment with.
Examples
“The popular host can’t claim credit for the trade, though. The idea wasn’t his. He piggybacked off another successful investor who had a history of picking winners.”