Noun. A Giro cheque. A payment of Jobseekers Allowance in the UK. The said jiggy must needs be taken to a Post Office and cashed, in order to receive benefits from the government whilst unemployed, especially if the recipient of the Jobseekers' does not have a bank account. Also known as a Beer Voucher. It causes one to jig in jubilation after having lived on beans for the last twelve days.
by Mr. Logic Again October 22, 2013