nautical nutsack Share definition Flag A seaworthy nutsack. A nutsack of nautical proportions Jim: did you see bill?. Dave: yeah he's a great captain, he must have one hell of a nautical nutsack nautical nutsack by billy togadero January 11, 2009 0 0 Get merch Get the nautical nutsack mug. Buy Now — $32.95 See more merch