tap-tap
n.β Β«She leaves the house at 4 a.m. to catch the “tap-tap,” one of the privately-owned vans, buses, and trucks that serve as Haitiβs equivalent of public transportation. The always crowded tap-tapsβcoined for the two-tap system for signaling boarding and exitingβare painted in carnival colors and emblazoned with hopeful messages such as “God is merciful” and “Love is Eternal.”Β» ββFaith abounds” by Mary McCarty in Leogane, Haiti Dayton Daily News (Ohio) Aug. 4, 2004. (source: Double-Tongued Dictionary)