We don't have synonyms for chuck-a-luck yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are chuck a luck and chuck-luck.
(adj) :
when the lower block of a tackle is pulled as close as possible to the upper one so it can be drawn no higher; one after another, drawn as closely together as possible
"some of Sardinia's gorgeous seaside towns have lately been invaded by builders who erected chockablock housing that catered to middle-income tourists but threatened to spoil the landscape."
(adj) :
when the lower block of a tackle is pulled as close as possible to the upper one so it can be drawn no higher; one after another, drawn as closely together as possible
"some of Sardinia's gorgeous seaside towns have lately been invaded by builders who erected chockablock housing that catered to middle-income tourists but threatened to spoil the landscape."