Toys R Us kid Share definition Flag Someone who doesn't want to grow up. Comes from the commercial jingle "I don't want to grow up 'cause I'm a Toys R Us kid..." Your mom got into another boozy cat fight? Jeez, she's such a Toys R Us kid. Toys R Us kid by Ringos Tar July 7, 2011 0 0 Get merch Get the Toys R Us kid mug. Buy Now — $32.95 See more merch