five-star noun 2adjective 1verb 1forms 3 noun2 •A hard slap on bare skin with a hand that leaves a red, fully hand-shaped mark.He still owes me a five-star so I try not to let him catch me with my shirt off. •A mark from such a slap.Look at that five-star on my back! That bastard who gave it to me really has it coming. adjective1 •Of the best quality.When we arrived, they gave us a five-star welcome. verb1 •(informal) To slap someone hard with the hand on bare skin, leaving a red, fully hand-shaped mark.My friend five-starred me after we got out of the pool. Do you have a shirt I can wear to cover it? formsfive-starred · five-starring · five-stars