ballsackian
One whose ballsack is screwed on tight. One who is aggressive & tough, who can take on anything and who doesn't take shit from anyone.
Thomas is definitely ballsackian. He doesn't give a damn who he tells off.
What the lieutenant did was ballsackian. He took his recon team of 6 men 20 miles behind enemy lines for a week and inflicted heavy casualties upon the enemy.
What the lieutenant did was ballsackian. He took his recon team of 6 men 20 miles behind enemy lines for a week and inflicted heavy casualties upon the enemy.