The most common and most likely answer to this crossword clue is the 8 letter word TRIFECTA
T
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F
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A
Buddy explains!
The straight part
We know that "pick top three correctly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pick top three correctly = trifecta.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 TRIFECTA mean?
TRIFECTA noun- A bet in which the bettor must select the first three placegetters of a race in the order in which they finish.
- The attainment of three important achievements, qualities, etc.
- (by extension) A set of three related things, often things that cause problems.
- (US politics) The complete legislative and executive control of state government by one party: governorship, the upper house, and the lower house of state legislatures. The party that holds all three positions of power is said to have a trifecta.
- (US politics) Control by one party of the federal government: the presidency and both houses of Congress.