(adj.)
1. Of having
front teeth that are separated by a prominent or conspicuous gap,
space or aperture.
2. A pejorative term used to describe any person whose
front teeth are separated by such a gap.
"So what'd you think of Johnno's new girlfriend?"
"She's cute, though a bit gappy for my liking."
"What's this
movie you're watching?"
"Not sure, just switched over; this gappy french bitch just
killed that dude, and
now she's trying to work out what to do with the body."