tapped /tæpt/ adjective4 •Having a tap or taps. •(slang) Crazy, eccentric.His eyes danced with delight, and he laughed and told me I was tapped in the head as he mussed up my hair, provoking me to kick him in the butt. — 2021 •Of a card or playing piece: used up for the current turn. •(slang) Unfocused, inattentive; dozy. formsmore tapped · most tapped