pavementoyster 

sexy,crazy poster on the living end board

pavementoyster is rocking

pavementoyster by Anonymous August 18, 2003

pavement oyster 

When one caughs up chest phlegm and deposits it on the ground, by way of spitting.

"Mind your step, there's a pavement oyster!"

pavement oyster by Suzanne and Tom Hodgkinson January 7, 2006

Pavement Oyster 

Human gonads for culinary use.

When the chimp escaped, Dad's pavement oysters were served to the zoo.

Pavement Oyster by LepraconMcPot April 12, 2009