When Basketball Player Makes a Highlight Dunk
Puzzle 3 of Good luck Easy Pack
Question is: When Basketball Player Makes a Highlight Dunk
and the answer is: POSTERIZE
Word Meaning:
POSTERIZE — To inadvertently or intentionally reduce the number of colours in (a photograph or other image), changing a continuous gradation of tone to several regions of fewer tones with abrupt changes from one tone to another.
Definitions from Wiktionary.