Someone who asks for your help but then responds "yes, but..." to everything you say, so that you're left wondering why they asked for help in the first place, since it seems that they already have all the answers.
Marie is such a yes but-er. She asked for my help and then shot down all my suggestions, acting like I was annoying her...
by Walden2 January 25, 2010
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A yes/yes-er is someone on MySpace who selects the option Yes/Yes for Smoke/Drink under "Background & Lifestyle" when they update their profile. A variation on this could be a no/no-er, a no/yes-er, and the quite rare yes/no-er.
Girl #1: Oh my God, he is so cute.
Girl #2: True, but look at his MySpace... he's a yes/yes-er.
Girl #1: ...gross.

Boy #1: Check out that girl over there. I had no idea she went to our school.
Boy #2: Didn't you hear? She got expelled from her old school because they found her MySpace profile and saw all her partying pictures.
Boy #1: What's so bad about partying pictures?
Boy #2: When her principal asked if she was a yes/yes-er, she lied. Then they found her MySpace. With all the pictures.
by i'll cam your bodia March 3, 2007
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