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1.
An adult male who is aroused by or plays with "My Little Pony".
"I met him at the toy store, he was buying outfits for his ponies; he's a total broney.
by patient0 October 27, 2013
 
2.
Used to describe someone/something thats chill, lax, or bro.
Also used to condense the name Burt with Roney, therefore becoming Broney
Dude- So i was at this hella broney concert last night

or

Dumb Braud- So i drank like a whole beer and threw up all over Broney last night...do you think he'll call me?
by das-shiza10@theshit May 11, 2011