To fish by letting the bait gently dip and skip on the water's surface, or to skip something lightly across water like a stone.
Origin uncertain, possibly from Middle English 'dappen' or related to Old Norse words meaning 'to strike lightly.' The term has been used in fishing since at least the 16th century.
Dap fishing is an art form—expert anglers can make fish strike by barely touching the water with a fly, almost hypnotizing the fish into biting, which is why it's considered one of the most skillful fishing techniques.
Complete word intelligence in one call. Free tier — 50 lookups/day.