1 Urban Dictionary is a Web-based dictionary of slang words and phrases. , the site contains over 5.01 million definitions. Submissions are regulated by volunteer editors and rated by site visitors. ( by far my favourite one â click here and check out why)
Definition of pin (all) one's hopes on. : to hope very much that (something) will help one or allow one to succeed cancer patients pinning their hopes on a new drug You shouldn't pin all your hopes on getting the job. Word by Word Definitions. Seen and Heard.
A personal identification number sent to its user in a letter. The darkened paper flap prevents the number from being read by holding the unopened envelope to the light. A personal identification number (PIN, pronounced pin; often redundantly PIN number) is a numeric password used to authenticate a user to a system. PINs may be used with banking systems to authenticate the identity of the cardholder, but are also used in other, non-financial systems.