"...and they both showed up looking exactly alike from head to toe. The matching lids, the shirts, the pants and the matching kicks with same color laces."
'Low Intelligence Digger'. An acronym used by the lower ranks in the Australian Army. Usually the infantry to describe a new person or just someone that is retarded.
(Noun; 1960s slang) The quantity of marijuana that will fit in a flat Prince Albert pipe tobacco can (a "lid"). It originally held 1-1/2 oz of moister, denser tobacco, so it would hold about 1 oz of dope. If you are too young to remember, you can google image for ( Prince Albert can ).