Top Definition
1. A way of describing something/someone as "mental" yet fun or entertaining.

2. A way of saying something is both necessary (fundamental) and fun/insane
1. Did you see what she did yesterday? Totally fundamented.

2. This a fundamented game, I swear you'll love it.
#fun #fundamental #insane #needed #crazy
by Adea_Xie December 19, 2012
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