Definitions by Chadd De Las Casas

Barrel Bumper 

A derogatory term used for sailors, as it is a reference to how lonely, desperate seamen would carve holes into barrels to have sex with in lieu of a woman aboard the ship.

Man 1: Man I've been at sea for ages.
Man 2: So you're a barrel bumper then eh?

Barrel Bumper by Chadd De Las Casas May 8, 2008