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1. An item of confectionary where u dip a lollipop into a pit of sherbet.

2. Also... a way of makin someone who is cool sound very uncool
1. "brb, gonna buy a dib dab"

2. Imagine Samuel L. Jackson in a film sayin, "Im gonna get myself a mother fuckin' Dib Dab fool." - not cool at all
by Dib Dab Fiend July 14, 2006
someone who is realy really thick
"Harry got all the questions wrong, he is such a dibdab."
by sazzyb July 04, 2006