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1.
adding a great combination of awesomeness and excellence
"Dude you need to betterfy your life man."

"Don't I know it!"
by will.bull November 21, 2011
 
2.
to both better and beautify, all at the same time.
miss bly and i seek to betterfy the world just by being in it.
by JoJoFunBun April 19, 2006