When someone says something that you couldn't give any less of a massive fuck about.
Amy: For all we know, humans don't really have free will!
Bender: Yeah whatever.
by Balter Black January 01, 2016
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An expression used as an exasperation when tense, flustered or angered.
"Hey Boniffa-Lattifa Jackson, we could use your pants to make a tent you're so fat," states Brian Fellows.

"...yeah WHATVEVER," exclaims Boniffa-Lattifa Jackson.
by Corey A. Chestnut January 19, 2005
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