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drainer

What does drainer mean?

An intensely hollow, sucking barrel, often over shallow reef, that appears to 'drain' the water off the bottom as it breaks.

"Low tide turned it into a shallow drainer over dry rock."

Origin

Surf slang for a barrel that drains water off the reef as it pitches.

Frequently asked questions

What is a drainer in surfing?
It is an intensely hollow, sucking barrel, often over shallow reef, that appears to drain the water off the bottom as it breaks.
Why is it called a drainer?
Because the wave pulls so much water off the reef as it pitches that the bottom looks like it is draining.
Are drainers dangerous?
They can be, since they often break over shallow reef or rock and demand a committed, skilled surfer.
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Slang definitions: FreeDict original editorial.