a boner dollar is a one dollar bill that has the letter B written in front of the word "one", which is found on the back of the dollar, and the letter "R" after it, thus spelling "BONER".

Commonly referred to as "boners"
I now get 1 more boner dollar an hour!!

I went and bought some bawls with my boners
by Teh sombar April 13, 2008
Get the Boner dollar mug.
The last dollar spent by any male for any purchase that precedes a sexual act.
I've been saving this boner dollar because I want to bang this bitch after a trip to the dollar menu.
by Room 140 March 7, 2012
Get the Boner Dollar mug.