When a man slides his penis up and down the outer labia(lips) of a very wet vagina while erect. Creating a fast sliding action up and down similar to a bullet trainon rails.
Synonyms for Bullet Train
On this page, you will find 30 slang terms related to Bullet Train. Some of the top words include: cackjoust, hit the skins, mas-ter-bating, wood and a half, weenus, and 25 more.