Blown out – wind is usually blowing hard on-shore making the surf choppy and un-ride able.
Shralping –to surf well, also called “ripping†or “shreddingâ€.
Thruster – a three-fin surfboard (designed by shaper Simon Anderson).
Tombstoning – it is when you get held under water so deep that your leash pulls the tail of your board down, leaving the nose sticking up like a tombstone.
Aggro – angry or pissed off person in the line up, also can be some one who is overly aggressive or yells offensive things.
Amped – when some one is overly excited or stoked.
Firing – surf is going off or very good.
Backdoor – the act of taking off deep behind the peak or section of the wave that is breaking. (usually used when getting barreled)
Acid Drop – when you take off on a wave and the bottom suddenly falls out, making you free fall down the face.
Barney – someone who is less skilled at surfing or gets in the way in the lineup.
Dawn Patrol – early morning surf session.
Epic – usually refers to great conditions or waves.
Man in Grey Suit – what surfers refer to as the Great White Shark. (from Australia)
Party Wave – usually an open faced wave that multiple surfers are riding at once.
Waterman – a person who basically lives in the ocean and knows everything about it. (master of all ocean related sports activities)