Noun

1. A flat pastry pressed with a grid pattern.

   The brunch was waffles with strawberries and whipped cream.

2. Speech or writing that is vague, pretentious or evasive.

   This interesting point seems to get lost a little within a lot of self-important waffle.

Verb

1. To speak or write waffle.
2. To vacillate.

   He waffles between loving the movie and hating it, depending on who's asking.

3. Police slang meaning to slam on the brakes suddenly and violently causing the rider in the rear seat to slam up against the grating separating the back from the front seat. This grating typically will have a "waffle" pattern. This may be done to encourage proper behavior from an occupant of the rear seat who is "acting up".
   • 2005, Carter Coleman, Cage’s Bend, Warner Books, ISBN 978-0-446-57661-1, page 56:

     then he slams on the brakes until my face smacks into the mesh, the little cop yelling, Waffled!

4. To rotate (one's hand) back and forth in a gesture of vacillation or ambivalence.
   • 2007, Michael Koryta, Sorrow’s Anthem, Macmillan, ISBN 978-0-312-93660-0, page 146:

     “ You get anything useful on the background checks?” ¶ He waffled his hand. “Nothing like what you brought back, but still some interesting notes. ”