Top definition
When a man is floating in water without any sort of shorts or trunks on and his cock foats vertical in the water, breaking the surface of the water, like a buoy in the ocean.
Lori was startled when she noticed Jons nice cock buoy break the surface of the water while they were skinney dipping in the pool.
by Foster Green April 18, 2011
Get the mug
Get a Cock Buoy mug for your sister-in-law Sarah.