# Jacking

> When a wave suddenly lurches up steep and tall as it hits shallow water.

**What "jacking" means in surfing:** When a wave suddenly lurches up steep and tall as it hits shallow water.

**Example:** "The peak jacks out of nowhere on the low tide."

**Also said:** Jack up

**Category:** Waves

## Related words

- [Peak](https://surfslang.com/peak): The highest point of a wave, where it starts to break.
- [Slab](https://surfslang.com/slab): A thick, heavy wave that breaks suddenly over shallow reef or rock, often with a step in the face.
- [Hollow](https://surfslang.com/hollow): A wave that throws its lip far forward, leaving a tube-shaped space beneath it.

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Source: [Jacking](https://surfslang.com/jacking) on Surfslang.com, the surf slang glossary. Full glossary: https://surfslang.com/llms.txt