The most common and most likely answer to this crossword clue is the 5 letter word CAMEL
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More clues leading to the result CAMEL
- Means of transport to get case of merchandise through part of America
- Beast arrived late at the start
- Arrived on back of doleful quadruped
- Yellowish, not exactly pure honey
- Beast of burden arrived, then left
- Animal housed by eccentric Amelia
- Artist escaping sweet animal
- Occasional drinker arrived, then left
- River the Parisian recalled is brown shade
- . Buff accountant meets half of 1A; …
Buddy explains!

The straight part
We know that "Oasis fan" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case oasis fan = camel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CAMEL mean?
CAMEL noun- A beast of burden, much used in desert areas, of the genus Camelus.
- A light brownish color, like that of a camel (also called camel brown).
- Loaded vessels lashed tightly, one on each side of another vessel, and then emptied to reduce the draught of the ship in the middle.
- Of a light brown color like that of a camel.
- A ruminant, of the genus Giraffa, of the African savannah with long legs and highly elongated neck, which make it the tallest living animal; yellow fur patterned with dark spots, often in the form of a network; and two or more short, skin-covered horns, so-called; strictly speaking the horn-like projections are ossicones.
- A giraffe unicycle.
- A laugh.