FLAG - A warning. A dead person or thing. To kill, usually with explosives. GAT - A firearm. Japan's professional female entertainers.
Closest translation is debt or obligation, but the concept entails much more.
Trash or garbage. To spend time in a gravity field. GRAV or GEE - 1. A measure of importance. A suffix denoting association, company or gang, commonly used by both Yakuza groups and construction firms.