multibaggerEtymologyFrom multi- + bag + -er; coined by Peter Lynch in his 1988 book One Up on Wall Street, in reference to baseball, where "bags" or "bases" that a runner reaches are the measure of the success of a play.multibagger means an equity stock that gives a return of more than 100%. Lexicurio rates it Rare gem — a strength score of 84 out of 100.nounAn equity stock that gives a return of more than 100%.