Top Definition
1. tr.v. (archaic) to make good or better.

2. tr.v. (slang) a back-formation of bona fide, as if spelled "bonified".

3. tr.v. (intensive) to have sex with (used of a man); to bone.
1. His weak bones were bonified by drinking milk.

2. People will think you're a bona fide idiot if you write "bonified".

3. He was bonifying some girl in the other room.
by kadatz May 17, 2010
To make authentic. Used by idiots who can't spell "bona fide".
"The artist's signature. Well, that bonifies it."
"You're an idiot."
by Xyzzy May 05, 2005
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