clambake /ˈklæmˌbeɪk/noun 3verb 2adjective 1forms 3 noun3 •(New-England) An informal beach party in which food, usually seafood, is cooked in a firepit dug in the sand, filled with hot coals. •(US, slang) An instance of smoking (usually marijuana) in an enclosed space. •(slang, vulgar) A meeting of predominantly females. verb2 •(US, slang) To smoke marijuana in an enclosed space such as a car with the windows up.When I was 16, I used to clambake with these two friends almost every day on the way to school — 1995 •(US, slang) To enclose something and fill it with smoke by smoking (usually marijuana) inside it.We clambaked the car last night! adjective1 •(figurative) Informal, makeshift, sloppy. formsclambaked · clambaking · clambakes