Create Folders to Organize Messages in Yahoo! To create a folder for your messages in Yahoo! Mail Classic: 1  Follow the Folders link from the left navigation bar in Yahoo! 2  Mail. 3  Enter the name of your new folder in the Name entry field (under Add Folder:). 4  Click the Add Folder button.
Word forms: plural , 3rd person singular present tense crooks , present participle crooking , past tense , past participle crooked. 1. countable noun. A crook is a dishonest person or a criminal. [informal] The man is a crook and a liar.
Share This Page. Crooks use clever schemes to defraud millions of people every year. They often combine sophisticated technology with age-old tricks to get people to send money or give out personal information. They add new twists to old schemes and pressure people to make important decisions on the spot.