The most common and most likely answer to this crossword clue is the 3 letter word GAY
G
A
Y
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The straight part
We know that "Tyson possibly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tyson possibly = gay.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 GAY mean?
GAY noun- (chiefly in plural or attributive) A homosexual, especially a male homosexual; see also lesbian.
- Something which is bright or colorful, such as a picture or a flower.
- An ornament, a knick-knack.
- To make happy or cheerful.
- To cause (something, e.g. AIDS) to be associated with homosexual people.
- (possibly obsolete) Happy, joyful, and lively.
- Quick, fast.
- (possibly obsolete) Festive, bright, or colourful.
- Sexually promiscuous (of any gender), (sometimes particularly) engaged in prostitution.
- Homosexual:
- A pejorative:
- (of a dog's tail) Upright or curved over the back.
- (possibly obsolete) Considerable, great, large in number, size, or degree.
- (possibly obsolete) Considerably, very.
- The letter —, which stands for the sound /ɡ/, in Pitman shorthand.