simple past tense and past participle of overboard

(nautical) Outside of a boat; in the water.

Over the edge; especially, off or outside of a boat. / Excessively; too much.

(transitive) To throw over the edge of a boat into the water.

present participle of overboard

Third-person singular simple present indicative form of overboard

(nautical) A cry used to announce that one of the crew or passengers has fallen over the side of the vessel.

To fall out of a vessel. / (intransitive, idiomatic) To go too far; to exceed reasonable bounds.

(nautical) Announcement that a woman has fallen over the side of the vessel.