1 definition by MoMo72

1. To flake out, or not keep one's word.

2. To masturbate.
1. You threw me the jag the other day when you didn't come to the movie, after you said you would.

2. I caught my friend jagging to a porn video the other day.
by MoMo72 June 12, 2009
Get the Jag mug.