Full or overcrowded. Also abbreviated to chockers
The train was chock-a-block on the way to work this morning
by Fifi-lamour July 19, 2005
2 more definitions
full to overflowing
My garbage bin was chock a block with rubbish
by will28 January 28, 2012
An islander from the Pacific Island. Generally twice the weight and size of a normal human being, but at the same age.
Look at that chockablock, isn't he/she huge?
by Big fush August 20, 2003