A commonplace word that occasions exclamations of "Ooh, SAT word!" when employed in normal discourse. Incidentally, those who use this moniker happen to not read enough books, not even pulp not conducive to formal education.
1. making a promise to someone
2. stating that you mean what you say with all honesty.
3. agreeing
4. really? for real?
5. When someone uses a word that you use alot.
1. Baby I'm uh take you out tommorrow and that's my word.
2. I love you and care you and that's my word.
3.Dude1: Yo that chic is one bugga-lug, you feel me ?
Dude2: word.
4. Dude: Girl I wanna marry you
Girl: Word?
5. Dude1: yo that was a killa movie
Dude2: killa..... yo dats my word