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Related to dab on: DAB Radio
To apply something (onto something else) with light, careful strokes. A noun or pronoun can be used between "dab" and "on." I dabbed on some concealer and then blended it with a make-up brush. Use the sponge to dab paint on the canvas.
dab something on(to) somethingand dab something on
to pat or spread carefully something onto something else. Dab some medicine onto the scratch. Dab on some medicine.