ONAD→dap (1)

dap (1)

EnglishOxford New American Dictionary

dap1 /dap, dæp

▸ verb

(daps, dapping, dapped)

[no object] fish by letting the fly bob lightly on the water without letting the line touch the water:

dapping was almost a sure-fire method

[with object] he was dapping the fly skillfully.

– ORIGIN mid 17th century (as a verb): symbolic of a flicking movement, similar to dab1.