1. Sitting on someones's face with their nose and other organs nestled within your ass crack and proceeding to bust ass.
Sister passed out early from drinking so brother dropped his drawers and sat on her face and gave her a clam baked.
ayon kay I'm Built for Speed! ika-09 ng Marso, 2006
1) The act of smoking marijuana in an enclosed space, esp. when the space is particularly small and cramped.
All 6 of us had a clambake and smoked that fatty in my bathroom with the door closed and when we came out our eyes were all glassy and bloodshot.
ayon kay Hugh Jass ika-11 ng Hulyo, 2003
Any situation in which a small room (a.k.a. a foxhole)is closed to oncomeing airation. Following the rooms air seal, marijuana is iginited in flame, causing massive clouding.
"Hey Clam-master, pinch me some heads and rock the ...cla...cla...clambake"
ayon kay Jake C. ika-14 ng Oktubre, 2005