jolly jumper

Origin of jolly jumper

First recorded in 1880–85
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British Dictionary definitions for jolly jumper

Jolly Jumper

noun
  1. trademark Canadian a type of fixed sprung baby harness in which an infant may be placed and allowed to bounce up and down for exercise
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012