rust-picker Share definition Flag A derogatory term for members of the US Navy. Rarely an endearment. "Hey, watch your six, rust-picker! I'm comin' in right on your tail!" (A Marine pilot taunting a Navy pilot during war games) rust-picker by Athene Airheart March 14, 2004 0 0 Get merch Get the rust-picker mug. Buy Now — $32.95 See more merch