1dud 
/ˈdʌd/ noun
plural duds /ˈdʌd/ noun 1 [count] : something that does not do what it is supposed to do : something that is a complete failure
▪ The movie was a box office dud. [=few people went to see the movie] ▪ The seeds must have been duds because the plants never grew. ▪ The firework was a dud. [=the firework did not explode] 2 duds [plural] informal : clothes
▪ She put on her new duds for the party.
▪ The movie was a box office dud. [=few people went to see the movie] ▪ The seeds must have been duds because the plants never grew. ▪ The firework was a dud. [=the firework did not explode]
▪ She put on her new duds for the party.
