Common terminology used in the 1960's and 1970's in the United States to describe approximately one ounce of marijuana.

A lid is a poor amateur radio operator; one who grossly does not follow the rules.

A measure of Marijuana equal to a full lid from a large Hellmans Mayo Jar. (less than an oz / about 21grams)

'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 ).

1. a hat or cap

2. an ounce of cannabis, especially marijuana

3. a motorcycle helmet