Third-person singular simple present indicative form of niggle.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "niggles" in a sentence
"The term niggles at Janie’s brain and she begins to pace around the little house, the wood floor cool and smooth on her bare feet."
"The Socceroos will play Slovenia without Tim Cahill as the star Everton midfielder succumbs to 'niggles' ahead of the first round of the Barclays Premier League."
"Socceroos will play Slovenia without Tim Cahill who succumbs to 'niggles'"