A toy with elastic strings that pulls your fingers back towards your palm. Primarily used to strengthen and prime the hand of your choosing for masturbation or pleasuring another.
Boy: Wow that feels great, you've been using those Bib Jibblers I got your last week.
Girl: Yea, they're great, I feel like I've been improving! Your boss Ron even said so!

Boy: Yeet.
by XnOmxnX June 4, 2017
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