When a homosexual alternates their thumbs between a partners anus and their own mouth. To correctly dib-dab one must alternate once the flavour has been consumed entirely off of the thumb before switching back to the anus.
Will had to brush his teeth because he was dib-dabbing with George.
J- âHow was you night with George last night?â
W-âI had a great last night dib-dabbing until I had a pube stuck between my teethâ