Two (or more) intelligent people who are frequently seen together. These intelligent people may often hang out together because they find the company of others to be dull or IQ lowering. Like 'partners', but with brains.
I saw Andrew and Spencer hanging out in the quad again today. Andrew was assembling his solar powered espresso machine and Spencer was setting off vinegar and baking soda rockets. I think they're smartners.
by Richard Bullard Barnes February 22, 2011
1.(n)A silly last name.
2.(n)A silly family.
1."What's your Smartner?"
"My smartner is Cartner."
2."Look at those Smartners."
by Kris-10 April 27, 2005

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