An Australian couple got the shock of their lives after they spotted a huge snake slithering on the window of their moving car.

Rachael Pace and her boyfriend Kyle Vella were in the car when they saw the reptile that had hitched a ride on their car. Pace filmed the encounter as the snake popped up next to her boyfriend’s window.

It remained on the base of the window before rearing its head around.

“What the f---?” Pace can be heard exclaiming, while filming the wild encounter. “Holy s---! What the f--- do we do?,” Vella replied.

“Look how big it is, it goes back there,” she said, adding: “It’s going to fall off.”

The pair then somehow managed to ditch the reptile in nearby bushland.

“It’s not every day that you’re driving and a snake causally pops up,” Pace captioned the video, which went viral.

New South Wales Poisons Information Centre Senior Specialist, Genevieve Adamo, told News.com.au that snake sightings have increased in late December and January.

“Australia has some of the most venomous snakes in the world, so it’s important people seek immediate medical assistance for all suspected bites,” she said. “If someone is bitten by a snake you should keep them still, call an ambulance and apply a pressure immobilization bandage... Tight tourniquets should not be applied and the bite site should not be washed, cut or sucked.”

Last month, a huge snake was found slithering next to a woman while she was sleeping in her bed at her home in Australia. The carpet python entered the home through an open window, slithered under the bed's cover during the night and remained there until morning. The woman spotted the snake next to her and immediately called Brisbane & Gold Coast Snake Catchers.

In October, International Business Times spoke to a snake catcher about the unusual and unexpected places where snake show up.

"Smaller species often get brought inside the home by a cat, larger species end up inside by accident through cat/dog doors and/or flyscreen holes due to temperature. It may be too hot outside so they need to cool off inside on tiles. They also sneak in through doors and windows that are left open for longer than needed," Joshua Castle, a snake catcher from Brisbane, Australia, told IBT.

Snake
This picture taken on Aug. 5, 2013, shows a snake in Sydney, Australia. Saeed Khan/Getty Images