When at the beach, sand is lodged underneath the foreskin of the penis and gets stuck.
"Dave was skeptical about visiting the nudist beach; when he heard about how John got a sandy dib-dab last time.
"Bob decided never to try sex on the beach again as he had to deal with a sandy dib-dab"
by TheGuyYouWishYouWerent June 4, 2017
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