A fork of Rural Dictionary
The act of a man pulling his balls out of the opening in the front of his boxers. This trick is closely related to The Turkey and the frog brain.
While usually done in front of friends as a joke, Larry sometimes performs The Oyster by himself for amusement.
gobs of phlegm coughed up from the lungs, as from pneumonia
Q: What's the grossest thing about having a lung transplant?
A: The first few oysters you cough up aren't yours.
Gob of phlegm in the street, also 'Dockyard oyster' from Portsmouth Dockyard.
Mind the road there, you'll tread in that oyster.