The act of any girl with the letters "kat" in her first name (in that order) attacking you with her class, wit, devilish good looks, and amazing charm. Only people of extreme importance get the privilege of being katattacked.
Names include: Kate, Katherine, Kathryn, Kathy, Katie, Katrina, and especially Kat.
Dude... last night at the party Kate Bentley totally katattacked me... I think I'm in love.
the act of kat attacking you with her amazing good looks and charm. you will never be the same after you've been katattacked. it is a lifechanging experience.
i was walking down the hall when kathryn stepped out in front of me and totally, katattacked me. it was amazing. she is amazing.