Dick in waiting

The extra dick in the room during any group sex setting. Typically this member will be less, or not at all, participatory. This can be due to a number of factors such as cuckhold, size envy, performance envy, lack of appropriate medication, ill-sized contraception device, excessive alcohol consumption, etc. this member will not likely be able to perform if needed.

While Shela was sitting on my face while Mary was riding cowgirl, poor John was just the dick in waiting.