cockbag Share definition Flag A word used describe someone who acts in a manner that causes that person to appear to have the personality of hairy, sweaty beanbag. That guy Rusty? What a cockbag! He probably buys gimmick golf clubs...cockbag! cockbag by frostyballz April 29, 2003 0 0 Get merch Get the cockbag mug. Buy Now — $32.95 See more merch