A scale used to measure attractiveness of females. If a man would experience an erection in her presence, that female is a one. If not, then she is a zero.
Reference to bonary scale:
Even though she's got that weird jaw thing going on, she's still a one in my book.
Even though she's got that weird jaw thing going on, she's still a one in my book.
by djklunk March 23, 2009
Get the bonary scalemug.