CLAM BISCUIT

A clam biscuit is pipe or a bong bowl filled with marijuana that has been burned down to its last hit.
Hey John, dump out that clam biscuit and load a fresh one!
by Nick Tindall April 07, 2006
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Clam with air biscuit

Girl farting while she receives oral sex
by Eric70 September 12, 2016
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