Battleship

[Lizzy Liz]

(v.) To vomit and defecate simultaneously, or near-simultaneously, as is often seen [with food] poisoning. So called because real life [battleships] often fire guns from both ends or [both sides].

[Jessica]

A heavy warship of a type built chiefly in the late 19th and early 20th centuries, with extensive armor and large-caliber guns.