A man in a khaki shirt reaches for a switch at a wall of glowing monitors in a dim control room, a dinosaur silhouette in the rain outside.

Original artwork, not a still

Ray Arnold

Hold on to your butts.

— Jurassic Park  ·  1993

Behind the line

What it means

Our interpretation.

A chain-smoking engineer's version of a safety announcement, delivered with gallows humour a second before everything might go dark. Nothing else in the control room scenes sounds so human, which is why it stuck. People now say it before any risky switch is flipped, from a system deploy to a roller coaster, and the plural 'butts' is the funniest part.

Context reviewed

In context

Spoilers for Jurassic ParkShow the scene

In Jurassic Park (Steven Spielberg, 1993), the island's security has collapsed under Dennis Nedry's sabotage and Hammond decides the only way to wipe his code is to shut the whole system down and reboot it. Chief engineer Ray Arnold protests that they have never done it before and it might not come back at all, then goes ahead and warns the control room to brace with this line. Fan wikis count two uses in the film. Arnold then walks out to the maintenance shed to finish the restart and does not return.

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Context reviewed

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