Superlative form of streaky: most streaky.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "streakiest" in a sentence
"Lyth's streakiest moment came on 42 when he got in a tangle whipping Piolet to the legside and a leading edge fell impossibly slowly into an unpatrolled area at mid off."
"Then Crawford, one of the NBA's streakiest shooters, got into a zone from outside - one Toronto has seen before."
"Singh turned in the streakiest round of the day with only two pars over his final 12 holes."