n. roundworm in the digestive tract. May bítuk nang batáa kay dakug tiyan, That child has worms because he has a big belly; v. have worms. -un a. having roundworms. bitukbítuk n. kind of children’s game played by two teams. Each team is formed into a line and the team that reaches the goal first wins; v. play this game. bitukbituk n. name given to pipefishes of worm-like size and appearance.