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
by Casandra December 9, 2004
Get the My word and word mug.