a noncommital, noncholant answer to practically any question, expressing no particular preference to anything in particular, usually accompanied with a shrug of the shoulders
Do you want to go out with me tonight? Whateves.
by Anonymous July 15, 2001
a word conveying a very low amount of concern or care for the topic at hand. the use of this word as an answer to a question could be taken the same as "i don't care"
Q: what do you want to do tonight?
by superduper February 15, 2007