All 3 Uses

wallow
in
Nation, by Terry Pratchett
(Auto-generated)

as the grandfather bird took off again with another of Mau's boiled fish in its beak, making the canoe wallow for a moment.†
Chpt 1. *
She'd come from the big mucky wallow the pigs had made where a stream crossed the track.†
Chpt 5.
"A pig's got into the east meadows and is wallowing in the spring," said Mau, standing up.†
Chpt 12. *

Definitions:

(1) (wallow as in: wallow happily in the mud)
to roll about lazily, especially of an animal in mud or shallow water; or the muddy hollow or puddle where it does so
(2) (wallow as in: wallow in self-pity)
to excessively give into a desire (indulge)

This is often said of something negative such as self-pity when no attempt is made to move beyond it. But it can also be used without negative connotation to indicate that someone is enjoying a lot of something such as luxury or rest.
(3) (wallow as in: a wagon wallowed through the mud)
to move with difficulty; or perhaps just to move through water or in a rolling/wave-like manner
(4) (meaning too rare to warrant focus)