While fleeing, he accidentally falls into a hole and lands on top of the giant monster, who promptly swallows Andy whole.

In a Science Digest article (Paraquat: a Potent Weed Killer is Killing People), it is recommended that a paraquat poisoning victim promptly swallow dirt, even at the risk of salmonella, because paraquat is deactivated upon contact with soil.

You bet him sixpence he could not eat a maggot and he promptly swallowed a live one and grabbed your tanner.

Rhea gave birth to Zeus in Crete, handing Cronus a rock wrapped in swaddling clothes, which he promptly swallowed.

The weird thing reached a bulky block of whiteness which promptly swallowed it.

There was a crash and Jud went though, plunging into blackness that promptly swallowed him.

Rhea secretly gave birth to Zeus in Crete, and handed Cronus a stone wrapped in swaddling clothes, also known as the Omphalos Stone, which he promptly swallowed, thinking that it was his son.

Rha'djemi emitted a squawk of surprise, but promptly swallowed it and rallied herself.

In order to forestall these dire consequences, Zeus tricked her into turning herself into a fly and promptly swallowed her.

After which a monster, a bad one, promptly swallows him.