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We study vector portal dark matter models where the mediator couples only toleptons. In spite of the lack of tree-level couplings to colored states,radiative effects generate interactions with quark fields that could give riseto a signal in current and future experiments. We identify such experimentalsignatures: scattering of nuclei in dark matter direct detection; resonantproduction of lepton-antilepton pairs at the Large Hadron Collider; andhadronic final states in dark matter indirect searches. Furthermore, radiativeeffects also generate an irreducible mass mixing between the vector mediatorand the $Z$ boson, severely bounded by ElectroWeak Precision Tests. We usecurrent experimental results to put bounds on this class of models, accountingfor both radiatively induced and tree-level processes. Remarkably, the formeroften overwhelm the latter.

Probing Leptophilic Dark Sectors with Hadronic Processes